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e8020e91fd
props bobbingwide. fixes #27802. Built from https://develop.svn.wordpress.org/trunk@28139 git-svn-id: http://core.svn.wordpress.org/trunk@27970 1a063a9b-81f0-0310-95a4-ce76da25c4cd
3105 lines
102 KiB
PHP
3105 lines
102 KiB
PHP
<?php
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/**
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* WordPress API for media display.
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*
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* @package WordPress
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* @subpackage Media
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*/
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/**
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* Scale down the default size of an image.
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*
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* This is so that the image is a better fit for the editor and theme.
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*
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* The $size parameter accepts either an array or a string. The supported string
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* values are 'thumb' or 'thumbnail' for the given thumbnail size or defaults at
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* 128 width and 96 height in pixels. Also supported for the string value is
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* 'medium' and 'full'. The 'full' isn't actually supported, but any value other
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* than the supported will result in the content_width size or 500 if that is
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* not set.
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*
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* Finally, there is a filter named 'editor_max_image_size', that will be called
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* on the calculated array for width and height, respectively. The second
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* parameter will be the value that was in the $size parameter. The returned
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* type for the hook is an array with the width as the first element and the
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* height as the second element.
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*
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* @since 2.5.0
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* @uses wp_constrain_dimensions() This function passes the widths and the heights.
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*
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* @param int $width Width of the image
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* @param int $height Height of the image
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* @param string|array $size Size of what the result image should be.
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* @param context Could be 'display' (like in a theme) or 'edit' (like inserting into an editor)
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* @return array Width and height of what the result image should resize to.
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*/
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function image_constrain_size_for_editor($width, $height, $size = 'medium', $context = null ) {
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global $content_width, $_wp_additional_image_sizes;
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if ( ! $context )
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$context = is_admin() ? 'edit' : 'display';
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if ( is_array($size) ) {
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$max_width = $size[0];
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$max_height = $size[1];
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}
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elseif ( $size == 'thumb' || $size == 'thumbnail' ) {
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$max_width = intval(get_option('thumbnail_size_w'));
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$max_height = intval(get_option('thumbnail_size_h'));
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// last chance thumbnail size defaults
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if ( !$max_width && !$max_height ) {
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$max_width = 128;
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$max_height = 96;
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}
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}
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elseif ( $size == 'medium' ) {
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$max_width = intval(get_option('medium_size_w'));
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$max_height = intval(get_option('medium_size_h'));
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// if no width is set, default to the theme content width if available
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}
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elseif ( $size == 'large' ) {
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// We're inserting a large size image into the editor. If it's a really
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// big image we'll scale it down to fit reasonably within the editor
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// itself, and within the theme's content width if it's known. The user
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// can resize it in the editor if they wish.
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$max_width = intval(get_option('large_size_w'));
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$max_height = intval(get_option('large_size_h'));
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if ( intval($content_width) > 0 )
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$max_width = min( intval($content_width), $max_width );
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} elseif ( isset( $_wp_additional_image_sizes ) && count( $_wp_additional_image_sizes ) && in_array( $size, array_keys( $_wp_additional_image_sizes ) ) ) {
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$max_width = intval( $_wp_additional_image_sizes[$size]['width'] );
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$max_height = intval( $_wp_additional_image_sizes[$size]['height'] );
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if ( intval($content_width) > 0 && 'edit' == $context ) // Only in admin. Assume that theme authors know what they're doing.
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$max_width = min( intval($content_width), $max_width );
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}
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// $size == 'full' has no constraint
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else {
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$max_width = $width;
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$max_height = $height;
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}
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/**
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* Filter the maximum image size dimensions for the editor.
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*
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* @since 2.5.0
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*
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* @param array $max_image_size An array with the width as the first element,
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* and the height as the second element.
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* @param string|array $size Size of what the result image should be.
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* @param string $context The context the image is being resized for.
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* Possible values are 'display' (like in a theme)
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* or 'edit' (like inserting into an editor).
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*/
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list( $max_width, $max_height ) = apply_filters( 'editor_max_image_size', array( $max_width, $max_height ), $size, $context );
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return wp_constrain_dimensions( $width, $height, $max_width, $max_height );
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}
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/**
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* Retrieve width and height attributes using given width and height values.
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*
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* Both attributes are required in the sense that both parameters must have a
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* value, but are optional in that if you set them to false or null, then they
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* will not be added to the returned string.
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*
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* You can set the value using a string, but it will only take numeric values.
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* If you wish to put 'px' after the numbers, then it will be stripped out of
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* the return.
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*
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* @since 2.5.0
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*
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* @param int|string $width Optional. Width attribute value.
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* @param int|string $height Optional. Height attribute value.
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* @return string HTML attributes for width and, or height.
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*/
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function image_hwstring($width, $height) {
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$out = '';
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if ($width)
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$out .= 'width="'.intval($width).'" ';
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if ($height)
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$out .= 'height="'.intval($height).'" ';
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return $out;
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}
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/**
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* Scale an image to fit a particular size (such as 'thumb' or 'medium').
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*
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* Array with image url, width, height, and whether is intermediate size, in
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* that order is returned on success is returned. $is_intermediate is true if
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* $url is a resized image, false if it is the original.
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*
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* The URL might be the original image, or it might be a resized version. This
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* function won't create a new resized copy, it will just return an already
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* resized one if it exists.
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*
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* A plugin may use the 'image_downsize' filter to hook into and offer image
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* resizing services for images. The hook must return an array with the same
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* elements that are returned in the function. The first element being the URL
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* to the new image that was resized.
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*
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* @since 2.5.0
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*
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* @param int $id Attachment ID for image.
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* @param array|string $size Optional, default is 'medium'. Size of image, either array or string.
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* @return bool|array False on failure, array on success.
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*/
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function image_downsize($id, $size = 'medium') {
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if ( !wp_attachment_is_image($id) )
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return false;
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/**
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* Filter whether to preempt the output of image_downsize().
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*
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* Passing a truthy value to the filter will effectively short-circuit
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* down-sizing the image, returning that value as output instead.
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*
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* @since 2.5.0
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*
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* @param bool $downsize Whether to short-circuit the image downsize. Default false.
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* @param int $id Attachment ID for image.
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* @param array|string $size Size of image, either array or string. Default 'medium'.
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*/
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if ( $out = apply_filters( 'image_downsize', false, $id, $size ) ) {
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return $out;
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}
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$img_url = wp_get_attachment_url($id);
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$meta = wp_get_attachment_metadata($id);
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$width = $height = 0;
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$is_intermediate = false;
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$img_url_basename = wp_basename($img_url);
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// try for a new style intermediate size
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if ( $intermediate = image_get_intermediate_size($id, $size) ) {
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$img_url = str_replace($img_url_basename, $intermediate['file'], $img_url);
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$width = $intermediate['width'];
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$height = $intermediate['height'];
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$is_intermediate = true;
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}
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elseif ( $size == 'thumbnail' ) {
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// fall back to the old thumbnail
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if ( ($thumb_file = wp_get_attachment_thumb_file($id)) && $info = getimagesize($thumb_file) ) {
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$img_url = str_replace($img_url_basename, wp_basename($thumb_file), $img_url);
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$width = $info[0];
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$height = $info[1];
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$is_intermediate = true;
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}
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}
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if ( !$width && !$height && isset( $meta['width'], $meta['height'] ) ) {
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// any other type: use the real image
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$width = $meta['width'];
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$height = $meta['height'];
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}
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if ( $img_url) {
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// we have the actual image size, but might need to further constrain it if content_width is narrower
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list( $width, $height ) = image_constrain_size_for_editor( $width, $height, $size );
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return array( $img_url, $width, $height, $is_intermediate );
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}
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return false;
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}
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/**
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* Register a new image size.
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*
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* Cropping behavior for the image size is dependent on the value of $crop:
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* 1. If false (default), images will be scaled, not cropped.
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* 2. If an array in the form of array( x_crop_position, y_crop_position ):
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* - x_crop_position accepts 'left' 'center', or 'right'.
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* - y_crop_position accepts 'top', 'center', or 'bottom'.
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* Images will be cropped to the specified dimensions within the defined crop area.
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* 3. If true, images will be cropped to the specified dimensions using center positions.
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*
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* @since 2.9.0
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*
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* @param string $name Image size identifier.
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* @param int $width Image width in pixels.
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* @param int $height Image height in pixels.
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* @param bool|array $crop Optional. Whether to crop images to specified height and width or resize.
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* An array can specify positioning of the crop area. Default false.
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* @return bool|array False, if no image was created. Metadata array on success.
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*/
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function add_image_size( $name, $width = 0, $height = 0, $crop = false ) {
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global $_wp_additional_image_sizes;
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$_wp_additional_image_sizes[ $name ] = array(
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'width' => absint( $width ),
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'height' => absint( $height ),
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'crop' => $crop,
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);
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}
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/**
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* Check if an image size exists.
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*
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* @since 3.9.0
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*
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* @param string $name The image size to check.
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* @return bool True if the image size exists, false if not.
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*/
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function has_image_size( $name ) {
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global $_wp_additional_image_sizes;
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return isset( $_wp_additional_image_sizes[ $name ] );
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}
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/**
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* Remove a new image size.
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*
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* @since 3.9.0
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*
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* @param string $name The image size to remove.
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* @return bool True if the image size was successfully removed, false on failure.
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*/
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function remove_image_size( $name ) {
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global $_wp_additional_image_sizes;
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if ( isset( $_wp_additional_image_sizes[ $name ] ) ) {
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unset( $_wp_additional_image_sizes[ $name ] );
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return true;
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}
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return false;
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}
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/**
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* Registers an image size for the post thumbnail.
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*
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* @since 2.9.0
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* @see add_image_size() for details on cropping behavior.
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*
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* @param int $width Image width in pixels.
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* @param int $height Image height in pixels.
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* @param bool|array $crop Optional. Whether to crop images to specified height and width or resize.
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* An array can specify positioning of the crop area. Default false.
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* @return bool|array False, if no image was created. Metadata array on success.
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*/
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function set_post_thumbnail_size( $width = 0, $height = 0, $crop = false ) {
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add_image_size( 'post-thumbnail', $width, $height, $crop );
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}
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/**
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* An <img src /> tag for an image attachment, scaling it down if requested.
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*
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* The filter 'get_image_tag_class' allows for changing the class name for the
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* image without having to use regular expressions on the HTML content. The
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* parameters are: what WordPress will use for the class, the Attachment ID,
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* image align value, and the size the image should be.
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*
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* The second filter 'get_image_tag' has the HTML content, which can then be
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* further manipulated by a plugin to change all attribute values and even HTML
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* content.
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*
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* @since 2.5.0
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*
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* @param int $id Attachment ID.
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* @param string $alt Image Description for the alt attribute.
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* @param string $title Image Description for the title attribute.
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* @param string $align Part of the class name for aligning the image.
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* @param string $size Optional. Default is 'medium'.
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* @return string HTML IMG element for given image attachment
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*/
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function get_image_tag($id, $alt, $title, $align, $size='medium') {
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list( $img_src, $width, $height ) = image_downsize($id, $size);
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$hwstring = image_hwstring($width, $height);
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$title = $title ? 'title="' . esc_attr( $title ) . '" ' : '';
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$class = 'align' . esc_attr($align) .' size-' . esc_attr($size) . ' wp-image-' . $id;
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/**
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* Filter the value of the attachment's image tag class attribute.
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*
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* @since 2.6.0
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*
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* @param string $class CSS class name or space-separated list of classes.
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* @param int $id Attachment ID.
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* @param string $align Part of the class name for aligning the image.
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* @param string $size Optional. Default is 'medium'.
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*/
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$class = apply_filters( 'get_image_tag_class', $class, $id, $align, $size );
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$html = '<img src="' . esc_attr($img_src) . '" alt="' . esc_attr($alt) . '" ' . $title . $hwstring . 'class="' . $class . '" />';
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/**
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* Filter the HTML content for the image tag.
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*
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* @since 2.6.0
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*
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* @param string $html HTML content for the image.
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* @param int $id Attachment ID.
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* @param string $alt Alternate text.
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* @param string $title Attachment title.
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* @param string $align Part of the class name for aligning the image.
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* @param string $size Optional. Default is 'medium'.
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*/
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$html = apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size );
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return $html;
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}
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/**
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* Calculates the new dimensions for a downsampled image.
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*
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* If either width or height are empty, no constraint is applied on
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* that dimension.
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*
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* @since 2.5.0
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*
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* @param int $current_width Current width of the image.
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* @param int $current_height Current height of the image.
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* @param int $max_width Optional. Maximum wanted width.
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* @param int $max_height Optional. Maximum wanted height.
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* @return array First item is the width, the second item is the height.
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*/
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function wp_constrain_dimensions( $current_width, $current_height, $max_width=0, $max_height=0 ) {
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if ( !$max_width and !$max_height )
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return array( $current_width, $current_height );
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$width_ratio = $height_ratio = 1.0;
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$did_width = $did_height = false;
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if ( $max_width > 0 && $current_width > 0 && $current_width > $max_width ) {
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$width_ratio = $max_width / $current_width;
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$did_width = true;
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}
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if ( $max_height > 0 && $current_height > 0 && $current_height > $max_height ) {
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$height_ratio = $max_height / $current_height;
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$did_height = true;
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}
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// Calculate the larger/smaller ratios
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$smaller_ratio = min( $width_ratio, $height_ratio );
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$larger_ratio = max( $width_ratio, $height_ratio );
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if ( intval( $current_width * $larger_ratio ) > $max_width || intval( $current_height * $larger_ratio ) > $max_height )
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// The larger ratio is too big. It would result in an overflow.
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$ratio = $smaller_ratio;
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else
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// The larger ratio fits, and is likely to be a more "snug" fit.
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$ratio = $larger_ratio;
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// Very small dimensions may result in 0, 1 should be the minimum.
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$w = max ( 1, intval( $current_width * $ratio ) );
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$h = max ( 1, intval( $current_height * $ratio ) );
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// Sometimes, due to rounding, we'll end up with a result like this: 465x700 in a 177x177 box is 117x176... a pixel short
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// We also have issues with recursive calls resulting in an ever-changing result. Constraining to the result of a constraint should yield the original result.
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// Thus we look for dimensions that are one pixel shy of the max value and bump them up
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if ( $did_width && $w == $max_width - 1 )
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$w = $max_width; // Round it up
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if ( $did_height && $h == $max_height - 1 )
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$h = $max_height; // Round it up
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return array( $w, $h );
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}
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/**
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* Retrieve calculated resize dimensions for use in WP_Image_Editor.
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*
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* Calculates dimensions and coordinates for a resized image that fits
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* within a specified width and height.
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*
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|
* Cropping behavior is dependent on the value of $crop:
|
|
* 1. If false (default), images will not be cropped.
|
|
* 2. If an array in the form of array( x_crop_position, y_crop_position ):
|
|
* - x_crop_position accepts 'left' 'center', or 'right'.
|
|
* - y_crop_position accepts 'top', 'center', or 'bottom'.
|
|
* Images will be cropped to the specified dimensions within the defined crop area.
|
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* 3. If true, images will be cropped to the specified dimensions using center positions.
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*
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* @since 2.5.0
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*
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* @param int $orig_w Original width in pixels.
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* @param int $orig_h Original height in pixels.
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* @param int $dest_w New width in pixels.
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* @param int $dest_h New height in pixels.
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* @param bool|array $crop Optional. Whether to crop image to specified height and width or resize.
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* An array can specify positioning of the crop area. Default false.
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* @return bool|array False on failure. Returned array matches parameters for `imagecopyresampled()`.
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*/
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function image_resize_dimensions($orig_w, $orig_h, $dest_w, $dest_h, $crop = false) {
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if ($orig_w <= 0 || $orig_h <= 0)
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return false;
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// at least one of dest_w or dest_h must be specific
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if ($dest_w <= 0 && $dest_h <= 0)
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return false;
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/**
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* Filter whether to preempt calculating the image resize dimensions.
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*
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* Passing a non-null value to the filter will effectively short-circuit
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* image_resize_dimensions(), returning that value instead.
|
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*
|
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* @since 3.4.0
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*
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* @param null|mixed $null Whether to preempt output of the resize dimensions.
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* @param int $orig_w Original width in pixels.
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* @param int $orig_h Original height in pixels.
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* @param int $dest_w New width in pixels.
|
|
* @param int $dest_h New height in pixels.
|
|
* @param bool|array $crop Whether to crop image to specified height and width or resize.
|
|
* An array can specify positioning of the crop area. Default false.
|
|
*/
|
|
$output = apply_filters( 'image_resize_dimensions', null, $orig_w, $orig_h, $dest_w, $dest_h, $crop );
|
|
if ( null !== $output )
|
|
return $output;
|
|
|
|
if ( $crop ) {
|
|
// crop the largest possible portion of the original image that we can size to $dest_w x $dest_h
|
|
$aspect_ratio = $orig_w / $orig_h;
|
|
$new_w = min($dest_w, $orig_w);
|
|
$new_h = min($dest_h, $orig_h);
|
|
|
|
if ( !$new_w ) {
|
|
$new_w = intval($new_h * $aspect_ratio);
|
|
}
|
|
|
|
if ( !$new_h ) {
|
|
$new_h = intval($new_w / $aspect_ratio);
|
|
}
|
|
|
|
$size_ratio = max($new_w / $orig_w, $new_h / $orig_h);
|
|
|
|
$crop_w = round($new_w / $size_ratio);
|
|
$crop_h = round($new_h / $size_ratio);
|
|
|
|
if ( ! is_array( $crop ) || count( $crop ) !== 2 ) {
|
|
$crop = array( 'center', 'center' );
|
|
}
|
|
|
|
list( $x, $y ) = $crop;
|
|
|
|
if ( 'left' === $x ) {
|
|
$s_x = 0;
|
|
} elseif ( 'right' === $x ) {
|
|
$s_x = $orig_w - $crop_w;
|
|
} else {
|
|
$s_x = floor( ( $orig_w - $crop_w ) / 2 );
|
|
}
|
|
|
|
if ( 'top' === $y ) {
|
|
$s_y = 0;
|
|
} elseif ( 'bottom' === $y ) {
|
|
$s_y = $orig_h - $crop_h;
|
|
} else {
|
|
$s_y = floor( ( $orig_h - $crop_h ) / 2 );
|
|
}
|
|
} else {
|
|
// don't crop, just resize using $dest_w x $dest_h as a maximum bounding box
|
|
$crop_w = $orig_w;
|
|
$crop_h = $orig_h;
|
|
|
|
$s_x = 0;
|
|
$s_y = 0;
|
|
|
|
list( $new_w, $new_h ) = wp_constrain_dimensions( $orig_w, $orig_h, $dest_w, $dest_h );
|
|
}
|
|
|
|
// if the resulting image would be the same size or larger we don't want to resize it
|
|
if ( $new_w >= $orig_w && $new_h >= $orig_h )
|
|
return false;
|
|
|
|
// the return array matches the parameters to imagecopyresampled()
|
|
// int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h
|
|
return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h );
|
|
|
|
}
|
|
|
|
/**
|
|
* Resize an image to make a thumbnail or intermediate size.
|
|
*
|
|
* The returned array has the file size, the image width, and image height. The
|
|
* filter 'image_make_intermediate_size' can be used to hook in and change the
|
|
* values of the returned array. The only parameter is the resized file path.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string $file File path.
|
|
* @param int $width Image width.
|
|
* @param int $height Image height.
|
|
* @param bool $crop Optional, default is false. Whether to crop image to specified height and width or resize.
|
|
* @return bool|array False, if no image was created. Metadata array on success.
|
|
*/
|
|
function image_make_intermediate_size( $file, $width, $height, $crop = false ) {
|
|
if ( $width || $height ) {
|
|
$editor = wp_get_image_editor( $file );
|
|
|
|
if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) )
|
|
return false;
|
|
|
|
$resized_file = $editor->save();
|
|
|
|
if ( ! is_wp_error( $resized_file ) && $resized_file ) {
|
|
unset( $resized_file['path'] );
|
|
return $resized_file;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the image's intermediate size (resized) path, width, and height.
|
|
*
|
|
* The $size parameter can be an array with the width and height respectively.
|
|
* If the size matches the 'sizes' metadata array for width and height, then it
|
|
* will be used. If there is no direct match, then the nearest image size larger
|
|
* than the specified size will be used. If nothing is found, then the function
|
|
* will break out and return false.
|
|
*
|
|
* The metadata 'sizes' is used for compatible sizes that can be used for the
|
|
* parameter $size value.
|
|
*
|
|
* The url path will be given, when the $size parameter is a string.
|
|
*
|
|
* If you are passing an array for the $size, you should consider using
|
|
* add_image_size() so that a cropped version is generated. It's much more
|
|
* efficient than having to find the closest-sized image and then having the
|
|
* browser scale down the image.
|
|
*
|
|
* @since 2.5.0
|
|
* @see add_image_size()
|
|
*
|
|
* @param int $post_id Attachment ID for image.
|
|
* @param array|string $size Optional, default is 'thumbnail'. Size of image, either array or string.
|
|
* @return bool|array False on failure or array of file path, width, and height on success.
|
|
*/
|
|
function image_get_intermediate_size($post_id, $size='thumbnail') {
|
|
if ( !is_array( $imagedata = wp_get_attachment_metadata( $post_id ) ) )
|
|
return false;
|
|
|
|
// get the best one for a specified set of dimensions
|
|
if ( is_array($size) && !empty($imagedata['sizes']) ) {
|
|
foreach ( $imagedata['sizes'] as $_size => $data ) {
|
|
// already cropped to width or height; so use this size
|
|
if ( ( $data['width'] == $size[0] && $data['height'] <= $size[1] ) || ( $data['height'] == $size[1] && $data['width'] <= $size[0] ) ) {
|
|
$file = $data['file'];
|
|
list($width, $height) = image_constrain_size_for_editor( $data['width'], $data['height'], $size );
|
|
return compact( 'file', 'width', 'height' );
|
|
}
|
|
// add to lookup table: area => size
|
|
$areas[$data['width'] * $data['height']] = $_size;
|
|
}
|
|
if ( !$size || !empty($areas) ) {
|
|
// find for the smallest image not smaller than the desired size
|
|
ksort($areas);
|
|
foreach ( $areas as $_size ) {
|
|
$data = $imagedata['sizes'][$_size];
|
|
if ( $data['width'] >= $size[0] || $data['height'] >= $size[1] ) {
|
|
// Skip images with unexpectedly divergent aspect ratios (crops)
|
|
// First, we calculate what size the original image would be if constrained to a box the size of the current image in the loop
|
|
$maybe_cropped = image_resize_dimensions($imagedata['width'], $imagedata['height'], $data['width'], $data['height'], false );
|
|
// If the size doesn't match within one pixel, then it is of a different aspect ratio, so we skip it, unless it's the thumbnail size
|
|
if ( 'thumbnail' != $_size && ( !$maybe_cropped || ( $maybe_cropped[4] != $data['width'] && $maybe_cropped[4] + 1 != $data['width'] ) || ( $maybe_cropped[5] != $data['height'] && $maybe_cropped[5] + 1 != $data['height'] ) ) )
|
|
continue;
|
|
// If we're still here, then we're going to use this size
|
|
$file = $data['file'];
|
|
list($width, $height) = image_constrain_size_for_editor( $data['width'], $data['height'], $size );
|
|
return compact( 'file', 'width', 'height' );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( is_array($size) || empty($size) || empty($imagedata['sizes'][$size]) )
|
|
return false;
|
|
|
|
$data = $imagedata['sizes'][$size];
|
|
// include the full filesystem path of the intermediate file
|
|
if ( empty($data['path']) && !empty($data['file']) ) {
|
|
$file_url = wp_get_attachment_url($post_id);
|
|
$data['path'] = path_join( dirname($imagedata['file']), $data['file'] );
|
|
$data['url'] = path_join( dirname($file_url), $data['file'] );
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Get the available image sizes
|
|
* @since 3.0.0
|
|
* @return array Returns a filtered array of image size strings
|
|
*/
|
|
function get_intermediate_image_sizes() {
|
|
global $_wp_additional_image_sizes;
|
|
$image_sizes = array('thumbnail', 'medium', 'large'); // Standard sizes
|
|
if ( isset( $_wp_additional_image_sizes ) && count( $_wp_additional_image_sizes ) )
|
|
$image_sizes = array_merge( $image_sizes, array_keys( $_wp_additional_image_sizes ) );
|
|
|
|
/**
|
|
* Filter the list of intermediate image sizes.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param array $image_sizes An array of intermediate image sizes. Defaults
|
|
* are 'thumbnail', 'medium', 'large'.
|
|
*/
|
|
return apply_filters( 'intermediate_image_sizes', $image_sizes );
|
|
}
|
|
|
|
/**
|
|
* Retrieve an image to represent an attachment.
|
|
*
|
|
* A mime icon for files, thumbnail or intermediate size for images.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int $attachment_id Image attachment ID.
|
|
* @param string $size Optional, default is 'thumbnail'.
|
|
* @param bool $icon Optional, default is false. Whether it is an icon.
|
|
* @return bool|array Returns an array (url, width, height), or false, if no image is available.
|
|
*/
|
|
function wp_get_attachment_image_src($attachment_id, $size='thumbnail', $icon = false) {
|
|
|
|
// get a thumbnail or intermediate image if there is one
|
|
if ( $image = image_downsize($attachment_id, $size) )
|
|
return $image;
|
|
|
|
$src = false;
|
|
|
|
if ( $icon && $src = wp_mime_type_icon($attachment_id) ) {
|
|
/** This filter is documented in wp-includes/post.php */
|
|
$icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
|
|
$src_file = $icon_dir . '/' . wp_basename($src);
|
|
@list($width, $height) = getimagesize($src_file);
|
|
}
|
|
if ( $src && $width && $height )
|
|
return array( $src, $width, $height );
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get an HTML img element representing an image attachment
|
|
*
|
|
* While $size will accept an array, it is better to register a size with
|
|
* add_image_size() so that a cropped version is generated. It's much more
|
|
* efficient than having to find the closest-sized image and then having the
|
|
* browser scale down the image.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @see add_image_size()
|
|
* @uses wp_get_attachment_image_src() Gets attachment file URL and dimensions
|
|
*
|
|
* @param int $attachment_id Image attachment ID.
|
|
* @param string $size Optional, default is 'thumbnail'.
|
|
* @param bool $icon Optional, default is false. Whether it is an icon.
|
|
* @param mixed $attr Optional, attributes for the image markup.
|
|
* @return string HTML img element or empty string on failure.
|
|
*/
|
|
function wp_get_attachment_image($attachment_id, $size = 'thumbnail', $icon = false, $attr = '') {
|
|
|
|
$html = '';
|
|
$image = wp_get_attachment_image_src($attachment_id, $size, $icon);
|
|
if ( $image ) {
|
|
list($src, $width, $height) = $image;
|
|
$hwstring = image_hwstring($width, $height);
|
|
if ( is_array($size) )
|
|
$size = join('x', $size);
|
|
$attachment = get_post($attachment_id);
|
|
$default_attr = array(
|
|
'src' => $src,
|
|
'class' => "attachment-$size",
|
|
'alt' => trim(strip_tags( get_post_meta($attachment_id, '_wp_attachment_image_alt', true) )), // Use Alt field first
|
|
);
|
|
if ( empty($default_attr['alt']) )
|
|
$default_attr['alt'] = trim(strip_tags( $attachment->post_excerpt )); // If not, Use the Caption
|
|
if ( empty($default_attr['alt']) )
|
|
$default_attr['alt'] = trim(strip_tags( $attachment->post_title )); // Finally, use the title
|
|
|
|
$attr = wp_parse_args($attr, $default_attr);
|
|
|
|
/**
|
|
* Filter the list of attachment image attributes.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param mixed $attr Attributes for the image markup.
|
|
* @param int $attachment_id Image attachment ID.
|
|
*/
|
|
$attr = apply_filters( 'wp_get_attachment_image_attributes', $attr, $attachment );
|
|
$attr = array_map( 'esc_attr', $attr );
|
|
$html = rtrim("<img $hwstring");
|
|
foreach ( $attr as $name => $value ) {
|
|
$html .= " $name=" . '"' . $value . '"';
|
|
}
|
|
$html .= ' />';
|
|
}
|
|
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Adds a 'wp-post-image' class to post thumbnails
|
|
* Uses the begin_fetch_post_thumbnail_html and end_fetch_post_thumbnail_html action hooks to
|
|
* dynamically add/remove itself so as to only filter post thumbnails
|
|
*
|
|
* @since 2.9.0
|
|
* @param array $attr Attributes including src, class, alt, title
|
|
* @return array
|
|
*/
|
|
function _wp_post_thumbnail_class_filter( $attr ) {
|
|
$attr['class'] .= ' wp-post-image';
|
|
return $attr;
|
|
}
|
|
|
|
/**
|
|
* Adds _wp_post_thumbnail_class_filter to the wp_get_attachment_image_attributes filter
|
|
*
|
|
* @since 2.9.0
|
|
*/
|
|
function _wp_post_thumbnail_class_filter_add( $attr ) {
|
|
add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
|
|
}
|
|
|
|
/**
|
|
* Removes _wp_post_thumbnail_class_filter from the wp_get_attachment_image_attributes filter
|
|
*
|
|
* @since 2.9.0
|
|
*/
|
|
function _wp_post_thumbnail_class_filter_remove( $attr ) {
|
|
remove_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
|
|
}
|
|
|
|
add_shortcode('wp_caption', 'img_caption_shortcode');
|
|
add_shortcode('caption', 'img_caption_shortcode');
|
|
|
|
/**
|
|
* The Caption shortcode.
|
|
*
|
|
* Allows a plugin to replace the content that would otherwise be returned. The
|
|
* filter is 'img_caption_shortcode' and passes an empty string, the attr
|
|
* parameter and the content parameter values.
|
|
*
|
|
* The supported attributes for the shortcode are 'id', 'align', 'width', and
|
|
* 'caption'.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @param array $attr {
|
|
* Attributes of the caption shortcode.
|
|
*
|
|
* @type string $id ID of the div element for the caption.
|
|
* @type string $align Class name that aligns the caption. Default 'alignnone'. Accepts 'alignleft',
|
|
* 'aligncenter', alignright', 'alignnone'.
|
|
* @type int $width The width of the caption, in pixels.
|
|
* @type string $caption The caption text.
|
|
* @type string $class Additional class name(s) added to the caption container.
|
|
* }
|
|
* @param string $content Optional. Shortcode content.
|
|
* @return string HTML content to display the caption.
|
|
*/
|
|
function img_caption_shortcode( $attr, $content = null ) {
|
|
// New-style shortcode with the caption inside the shortcode with the link and image tags.
|
|
if ( ! isset( $attr['caption'] ) ) {
|
|
if ( preg_match( '#((?:<a [^>]+>\s*)?<img [^>]+>(?:\s*</a>)?)(.*)#is', $content, $matches ) ) {
|
|
$content = $matches[1];
|
|
$attr['caption'] = trim( $matches[2] );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter the default caption shortcode output.
|
|
*
|
|
* If the filtered output isn't empty, it will be used instead of generating
|
|
* the default caption template.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @see img_caption_shortcode()
|
|
*
|
|
* @param string $output The caption output. Default empty.
|
|
* @param array $attr Attributes of the caption shortcode.
|
|
* @param string $content The image element, possibly wrapped in a hyperlink.
|
|
*/
|
|
$output = apply_filters( 'img_caption_shortcode', '', $attr, $content );
|
|
if ( $output != '' )
|
|
return $output;
|
|
|
|
$atts = shortcode_atts( array(
|
|
'id' => '',
|
|
'align' => 'alignnone',
|
|
'width' => '',
|
|
'caption' => '',
|
|
'class' => '',
|
|
), $attr, 'caption' );
|
|
|
|
$atts['width'] = (int) $atts['width'];
|
|
if ( $atts['width'] < 1 || empty( $atts['caption'] ) )
|
|
return $content;
|
|
|
|
if ( ! empty( $atts['id'] ) )
|
|
$atts['id'] = 'id="' . esc_attr( $atts['id'] ) . '" ';
|
|
|
|
$class = trim( 'wp-caption ' . $atts['align'] . ' ' . $atts['class'] );
|
|
|
|
if ( current_theme_supports( 'html5', 'caption' ) ) {
|
|
return '<figure ' . $atts['id'] . 'style="width: ' . (int) $atts['width'] . 'px;" class="' . esc_attr( $class ) . '">'
|
|
. do_shortcode( $content ) . '<figcaption class="wp-caption-text">' . $atts['caption'] . '</figcaption></figure>';
|
|
}
|
|
|
|
$caption_width = 10 + $atts['width'];
|
|
|
|
/**
|
|
* Filter the width of an image's caption.
|
|
*
|
|
* By default, the caption is 10 pixels greater than the width of the image,
|
|
* to prevent post content from running up against a floated image.
|
|
*
|
|
* @since 3.7.0
|
|
*
|
|
* @see img_caption_shortcode()
|
|
*
|
|
* @param int $caption_width Width of the caption in pixels. To remove this inline style,
|
|
* return zero.
|
|
* @param array $atts Attributes of the caption shortcode.
|
|
* @param string $content The image element, possibly wrapped in a hyperlink.
|
|
*/
|
|
$caption_width = apply_filters( 'img_caption_shortcode_width', $caption_width, $atts, $content );
|
|
|
|
$style = '';
|
|
if ( $caption_width )
|
|
$style = 'style="width: ' . (int) $caption_width . 'px" ';
|
|
|
|
return '<div ' . $atts['id'] . $style . 'class="' . esc_attr( $class ) . '">'
|
|
. do_shortcode( $content ) . '<p class="wp-caption-text">' . $atts['caption'] . '</p></div>';
|
|
}
|
|
|
|
add_shortcode('gallery', 'gallery_shortcode');
|
|
|
|
/**
|
|
* The Gallery shortcode.
|
|
*
|
|
* This implements the functionality of the Gallery Shortcode for displaying
|
|
* WordPress images on a post.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param array $attr {
|
|
* Attributes of the gallery shortcode.
|
|
*
|
|
* @type string $order Order of the images in the gallery. Default 'ASC'. Accepts 'ASC', 'DESC'.
|
|
* @type string $orderby The field to use when ordering the images. Default 'menu_order ID'.
|
|
* Accepts any valid SQL ORDERBY statement.
|
|
* @type int $id Post ID.
|
|
* @type string $itemtag HTML tag to use for each image in the gallery.
|
|
* Default 'dl', or 'figure' when the theme registers HTML5 gallery support.
|
|
* @type string $icontag HTML tag to use for each image's icon.
|
|
* Default 'dt', or 'div' when the theme registers HTML5 gallery support.
|
|
* @type string $captiontag HTML tag to use for each image's caption.
|
|
* Default 'dd', or 'figcaption' when the theme registers HTML5 gallery support.
|
|
* @type int $columns Number of columns of images to display. Default 3.
|
|
* @type string $size Size of the images to display. Default 'thumbnail'.
|
|
* @type string $ids A comma-separated list of IDs of attachments to display. Default empty.
|
|
* @type string $include A comma-separated list of IDs of attachments to include. Default empty.
|
|
* @type string $exclude A comma-separated list of IDs of attachments to exclude. Default empty.
|
|
* @type string $link What to link each image to. Default empty (links to the attachment page).
|
|
* Accepts 'file', 'none'.
|
|
* }
|
|
* @return string HTML content to display gallery.
|
|
*/
|
|
function gallery_shortcode( $attr ) {
|
|
$post = get_post();
|
|
|
|
static $instance = 0;
|
|
$instance++;
|
|
|
|
if ( ! empty( $attr['ids'] ) ) {
|
|
// 'ids' is explicitly ordered, unless you specify otherwise.
|
|
if ( empty( $attr['orderby'] ) )
|
|
$attr['orderby'] = 'post__in';
|
|
$attr['include'] = $attr['ids'];
|
|
}
|
|
|
|
/**
|
|
* Filter the default gallery shortcode output.
|
|
*
|
|
* If the filtered output isn't empty, it will be used instead of generating
|
|
* the default gallery template.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @see gallery_shortcode()
|
|
*
|
|
* @param string $output The gallery output. Default empty.
|
|
* @param array $attr Attributes of the gallery shortcode.
|
|
*/
|
|
$output = apply_filters( 'post_gallery', '', $attr );
|
|
if ( $output != '' )
|
|
return $output;
|
|
|
|
// We're trusting author input, so let's at least make sure it looks like a valid orderby statement
|
|
if ( isset( $attr['orderby'] ) ) {
|
|
$attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
|
|
if ( !$attr['orderby'] )
|
|
unset( $attr['orderby'] );
|
|
}
|
|
|
|
$html5 = current_theme_supports( 'html5', 'gallery' );
|
|
extract(shortcode_atts(array(
|
|
'order' => 'ASC',
|
|
'orderby' => 'menu_order ID',
|
|
'id' => $post ? $post->ID : 0,
|
|
'itemtag' => $html5 ? 'figure' : 'dl',
|
|
'icontag' => $html5 ? 'div' : 'dt',
|
|
'captiontag' => $html5 ? 'figcaption' : 'dd',
|
|
'columns' => 3,
|
|
'size' => 'thumbnail',
|
|
'include' => '',
|
|
'exclude' => '',
|
|
'link' => ''
|
|
), $attr, 'gallery'));
|
|
|
|
$id = intval($id);
|
|
if ( 'RAND' == $order )
|
|
$orderby = 'none';
|
|
|
|
if ( !empty($include) ) {
|
|
$_attachments = get_posts( array('include' => $include, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby) );
|
|
|
|
$attachments = array();
|
|
foreach ( $_attachments as $key => $val ) {
|
|
$attachments[$val->ID] = $_attachments[$key];
|
|
}
|
|
} elseif ( !empty($exclude) ) {
|
|
$attachments = get_children( array('post_parent' => $id, 'exclude' => $exclude, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby) );
|
|
} else {
|
|
$attachments = get_children( array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby) );
|
|
}
|
|
|
|
if ( empty($attachments) )
|
|
return '';
|
|
|
|
if ( is_feed() ) {
|
|
$output = "\n";
|
|
foreach ( $attachments as $att_id => $attachment )
|
|
$output .= wp_get_attachment_link($att_id, $size, true) . "\n";
|
|
return $output;
|
|
}
|
|
|
|
$itemtag = tag_escape($itemtag);
|
|
$captiontag = tag_escape($captiontag);
|
|
$icontag = tag_escape($icontag);
|
|
$valid_tags = wp_kses_allowed_html( 'post' );
|
|
if ( ! isset( $valid_tags[ $itemtag ] ) )
|
|
$itemtag = 'dl';
|
|
if ( ! isset( $valid_tags[ $captiontag ] ) )
|
|
$captiontag = 'dd';
|
|
if ( ! isset( $valid_tags[ $icontag ] ) )
|
|
$icontag = 'dt';
|
|
|
|
$columns = intval($columns);
|
|
$itemwidth = $columns > 0 ? floor(100/$columns) : 100;
|
|
$float = is_rtl() ? 'right' : 'left';
|
|
|
|
$selector = "gallery-{$instance}";
|
|
|
|
$gallery_style = $gallery_div = '';
|
|
|
|
/**
|
|
* Filter whether to print default gallery styles.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param bool $print Whether to print default gallery styles.
|
|
* Defaults to false if the theme supports HTML5 galleries.
|
|
* Otherwise, defaults to true.
|
|
*/
|
|
if ( apply_filters( 'use_default_gallery_style', ! $html5 ) ) {
|
|
$gallery_style = "
|
|
<style type='text/css'>
|
|
#{$selector} {
|
|
margin: auto;
|
|
}
|
|
#{$selector} .gallery-item {
|
|
float: {$float};
|
|
margin-top: 10px;
|
|
text-align: center;
|
|
width: {$itemwidth}%;
|
|
}
|
|
#{$selector} img {
|
|
border: 2px solid #cfcfcf;
|
|
}
|
|
#{$selector} .gallery-caption {
|
|
margin-left: 0;
|
|
}
|
|
/* see gallery_shortcode() in wp-includes/media.php */
|
|
</style>\n\t\t";
|
|
}
|
|
|
|
$size_class = sanitize_html_class( $size );
|
|
$gallery_div = "<div id='$selector' class='gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}'>";
|
|
|
|
/**
|
|
* Filter the default gallery shortcode CSS styles.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string $gallery_style Default gallery shortcode CSS styles.
|
|
* @param string $gallery_div Opening HTML div container for the gallery shortcode output.
|
|
*/
|
|
$output = apply_filters( 'gallery_style', $gallery_style . $gallery_div );
|
|
|
|
$i = 0;
|
|
foreach ( $attachments as $id => $attachment ) {
|
|
if ( ! empty( $link ) && 'file' === $link )
|
|
$image_output = wp_get_attachment_link( $id, $size, false, false );
|
|
elseif ( ! empty( $link ) && 'none' === $link )
|
|
$image_output = wp_get_attachment_image( $id, $size, false );
|
|
else
|
|
$image_output = wp_get_attachment_link( $id, $size, true, false );
|
|
|
|
$image_meta = wp_get_attachment_metadata( $id );
|
|
|
|
$orientation = '';
|
|
if ( isset( $image_meta['height'], $image_meta['width'] ) )
|
|
$orientation = ( $image_meta['height'] > $image_meta['width'] ) ? 'portrait' : 'landscape';
|
|
|
|
$output .= "<{$itemtag} class='gallery-item'>";
|
|
$output .= "
|
|
<{$icontag} class='gallery-icon {$orientation}'>
|
|
$image_output
|
|
</{$icontag}>";
|
|
if ( $captiontag && trim($attachment->post_excerpt) ) {
|
|
$output .= "
|
|
<{$captiontag} class='wp-caption-text gallery-caption'>
|
|
" . wptexturize($attachment->post_excerpt) . "
|
|
</{$captiontag}>";
|
|
}
|
|
$output .= "</{$itemtag}>";
|
|
if ( ! $html5 && $columns > 0 && ++$i % $columns == 0 ) {
|
|
$output .= '<br style="clear: both" />';
|
|
}
|
|
}
|
|
|
|
if ( ! $html5 && $columns > 0 && $i % $columns !== 0 ) {
|
|
$output .= "
|
|
<br style='clear: both' />";
|
|
}
|
|
|
|
$output .= "
|
|
</div>\n";
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Output the templates used by playlists.
|
|
*
|
|
* @since 3.9.0
|
|
*/
|
|
function wp_underscore_playlist_templates() {
|
|
?>
|
|
<script type="text/html" id="tmpl-wp-playlist-current-item">
|
|
<# if ( data.image ) { #>
|
|
<img src="{{ data.thumb.src }}"/>
|
|
<# } #>
|
|
<div class="wp-playlist-caption">
|
|
<span class="wp-playlist-item-meta wp-playlist-item-title">“{{ data.title }}”</span>
|
|
<# if ( data.meta.album ) { #><span class="wp-playlist-item-meta wp-playlist-item-album">{{ data.meta.album }}</span><# } #>
|
|
<# if ( data.meta.artist ) { #><span class="wp-playlist-item-meta wp-playlist-item-artist">{{ data.meta.artist }}</span><# } #>
|
|
</div>
|
|
</script>
|
|
<script type="text/html" id="tmpl-wp-playlist-item">
|
|
<div class="wp-playlist-item">
|
|
<a class="wp-playlist-caption" href="{{ data.src }}">
|
|
{{ data.index ? ( data.index + '. ' ) : '' }}
|
|
<# if ( data.caption ) { #>
|
|
{{ data.caption }}
|
|
<# } else { #>
|
|
<span class="wp-playlist-item-title">“{{{ data.title }}}”</span>
|
|
<# if ( data.artists && data.meta.artist ) { #>
|
|
<span class="wp-playlist-item-artist"> — {{ data.meta.artist }}</span>
|
|
<# } #>
|
|
<# } #>
|
|
</a>
|
|
<# if ( data.meta.length_formatted ) { #>
|
|
<div class="wp-playlist-item-length">{{ data.meta.length_formatted }}</div>
|
|
<# } #>
|
|
</div>
|
|
</script>
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Output and enqueue default scripts and styles for playlists.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param string $type Type of playlist. Accepts 'audio' or 'video'.
|
|
*/
|
|
function wp_playlist_scripts( $type ) {
|
|
wp_enqueue_style( 'wp-mediaelement' );
|
|
wp_enqueue_script( 'wp-playlist' );
|
|
?>
|
|
<!--[if lt IE 9]><script>document.createElement('<?php echo esc_js( $type ) ?>');</script><![endif]-->
|
|
<?php
|
|
wp_underscore_playlist_templates();
|
|
}
|
|
add_action( 'wp_playlist_scripts', 'wp_playlist_scripts' );
|
|
|
|
/**
|
|
* The playlist shortcode.
|
|
*
|
|
* This implements the functionality of the playlist shortcode for displaying
|
|
* a collection of WordPress audio or video files in a post.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param array $attr Playlist shortcode attributes.
|
|
* @return string Playlist output. Empty string if the passed type is unsupported.
|
|
*/
|
|
function wp_playlist_shortcode( $attr ) {
|
|
global $content_width;
|
|
$post = get_post();
|
|
|
|
static $instance = 0;
|
|
$instance++;
|
|
|
|
if ( ! empty( $attr['ids'] ) ) {
|
|
// 'ids' is explicitly ordered, unless you specify otherwise.
|
|
if ( empty( $attr['orderby'] ) ) {
|
|
$attr['orderby'] = 'post__in';
|
|
}
|
|
$attr['include'] = $attr['ids'];
|
|
}
|
|
|
|
/**
|
|
* Filter the playlist output.
|
|
*
|
|
* Passing a non-empty value to the filter will short-circuit generation
|
|
* of the default playlist output, returning the passed value instead.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param string $output Playlist output. Default empty.
|
|
* @param array $attr An array of shortcode attributes.
|
|
*/
|
|
$output = apply_filters( 'post_playlist', '', $attr );
|
|
if ( $output != '' ) {
|
|
return $output;
|
|
}
|
|
|
|
/*
|
|
* We're trusting author input, so let's at least make sure it looks
|
|
* like a valid orderby statement.
|
|
*/
|
|
if ( isset( $attr['orderby'] ) ) {
|
|
$attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
|
|
if ( ! $attr['orderby'] )
|
|
unset( $attr['orderby'] );
|
|
}
|
|
|
|
extract( shortcode_atts( array(
|
|
'type' => 'audio',
|
|
'order' => 'ASC',
|
|
'orderby' => 'menu_order ID',
|
|
'id' => $post ? $post->ID : 0,
|
|
'include' => '',
|
|
'exclude' => '',
|
|
'style' => 'light',
|
|
'tracklist' => true,
|
|
'tracknumbers' => true,
|
|
'images' => true,
|
|
'artists' => true
|
|
), $attr, 'playlist' ) );
|
|
|
|
$id = intval( $id );
|
|
if ( 'RAND' == $order ) {
|
|
$orderby = 'none';
|
|
}
|
|
|
|
$args = array(
|
|
'post_status' => 'inherit',
|
|
'post_type' => 'attachment',
|
|
'post_mime_type' => $type,
|
|
'order' => $order,
|
|
'orderby' => $orderby
|
|
);
|
|
|
|
if ( ! empty( $include ) ) {
|
|
$args['include'] = $include;
|
|
$_attachments = get_posts( $args );
|
|
|
|
$attachments = array();
|
|
foreach ( $_attachments as $key => $val ) {
|
|
$attachments[$val->ID] = $_attachments[$key];
|
|
}
|
|
} elseif ( ! empty( $exclude ) ) {
|
|
$args['post_parent'] = $id;
|
|
$args['exclude'] = $exclude;
|
|
$attachments = get_children( $args );
|
|
} else {
|
|
$args['post_parent'] = $id;
|
|
$attachments = get_children( $args );
|
|
}
|
|
|
|
if ( empty( $attachments ) ) {
|
|
return '';
|
|
}
|
|
|
|
if ( is_feed() ) {
|
|
$output = "\n";
|
|
foreach ( $attachments as $att_id => $attachment ) {
|
|
$output .= wp_get_attachment_link( $att_id ) . "\n";
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
$outer = 22; // default padding and border of wrapper
|
|
|
|
$default_width = 640;
|
|
$default_height = 360;
|
|
|
|
$theme_width = empty( $content_width ) ? $default_width : ( $content_width - $outer );
|
|
$theme_height = empty( $content_width ) ? $default_height : round( ( $default_height * $theme_width ) / $default_width );
|
|
|
|
$data = compact( 'type' );
|
|
|
|
// don't pass strings to JSON, will be truthy in JS
|
|
foreach ( array( 'tracklist', 'tracknumbers', 'images', 'artists' ) as $key ) {
|
|
$data[$key] = filter_var( $$key, FILTER_VALIDATE_BOOLEAN );
|
|
}
|
|
|
|
$tracks = array();
|
|
foreach ( $attachments as $attachment ) {
|
|
$url = wp_get_attachment_url( $attachment->ID );
|
|
$ftype = wp_check_filetype( $url, wp_get_mime_types() );
|
|
$track = array(
|
|
'src' => $url,
|
|
'type' => $ftype['type'],
|
|
'title' => $attachment->post_title,
|
|
'caption' => $attachment->post_excerpt,
|
|
'description' => $attachment->post_content
|
|
);
|
|
|
|
$track['meta'] = array();
|
|
$meta = wp_get_attachment_metadata( $attachment->ID );
|
|
if ( ! empty( $meta ) ) {
|
|
|
|
foreach ( wp_get_attachment_id3_keys( $attachment ) as $key => $label ) {
|
|
if ( ! empty( $meta[ $key ] ) ) {
|
|
$track['meta'][ $key ] = $meta[ $key ];
|
|
}
|
|
}
|
|
|
|
if ( 'video' === $type ) {
|
|
if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) {
|
|
$width = $meta['width'];
|
|
$height = $meta['height'];
|
|
$theme_height = round( ( $height * $theme_width ) / $width );
|
|
} else {
|
|
$width = $default_width;
|
|
$height = $default_height;
|
|
}
|
|
|
|
$track['dimensions'] = array(
|
|
'original' => compact( 'width', 'height' ),
|
|
'resized' => array(
|
|
'width' => $theme_width,
|
|
'height' => $theme_height
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
if ( $images ) {
|
|
$id = get_post_thumbnail_id( $attachment->ID );
|
|
if ( ! empty( $id ) ) {
|
|
list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
|
|
$track['image'] = compact( 'src', 'width', 'height' );
|
|
list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
|
|
$track['thumb'] = compact( 'src', 'width', 'height' );
|
|
} else {
|
|
$src = wp_mime_type_icon( $attachment->ID );
|
|
$width = 48;
|
|
$height = 64;
|
|
$track['image'] = compact( 'src', 'width', 'height' );
|
|
$track['thumb'] = compact( 'src', 'width', 'height' );
|
|
}
|
|
}
|
|
|
|
$tracks[] = $track;
|
|
}
|
|
$data['tracks'] = $tracks;
|
|
|
|
$safe_type = esc_attr( $type );
|
|
$safe_style = esc_attr( $style );
|
|
|
|
ob_start();
|
|
|
|
if ( 1 === $instance ) {
|
|
/**
|
|
* Print and enqueue playlist scripts, styles, and JavaScript templates.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param string $type Type of playlist. Possible values are 'audio' or 'video'.
|
|
* @param string $style The 'theme' for the playlist. Core provides 'light' and 'dark'.
|
|
*/
|
|
do_action( 'wp_playlist_scripts', $type, $style );
|
|
} ?>
|
|
<div class="wp-playlist wp-<?php echo $safe_type ?>-playlist wp-playlist-<?php echo $safe_style ?>">
|
|
<?php if ( 'audio' === $type ): ?>
|
|
<div class="wp-playlist-current-item"></div>
|
|
<?php endif ?>
|
|
<<?php echo $safe_type ?> controls="controls" preload="none" width="<?php
|
|
echo (int) $theme_width;
|
|
?>"<?php if ( 'video' === $safe_type ):
|
|
echo ' height="', (int) $theme_height, '"';
|
|
endif; ?>></<?php echo $safe_type ?>>
|
|
<div class="wp-playlist-next"></div>
|
|
<div class="wp-playlist-prev"></div>
|
|
<noscript>
|
|
<ol><?php
|
|
foreach ( $attachments as $att_id => $attachment ) {
|
|
printf( '<li>%s</li>', wp_get_attachment_link( $att_id ) );
|
|
}
|
|
?></ol>
|
|
</noscript>
|
|
<script type="application/json"><?php echo json_encode( $data ) ?></script>
|
|
</div>
|
|
<?php
|
|
return ob_get_clean();
|
|
}
|
|
add_shortcode( 'playlist', 'wp_playlist_shortcode' );
|
|
|
|
/**
|
|
* Provide a No-JS Flash fallback as a last resort for audio / video
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $url
|
|
* @return string Fallback HTML
|
|
*/
|
|
function wp_mediaelement_fallback( $url ) {
|
|
/**
|
|
* Filter the Mediaelement fallback output for no-JS.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $output Fallback output for no-JS.
|
|
* @param string $url Media file URL.
|
|
*/
|
|
return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url );
|
|
}
|
|
|
|
/**
|
|
* Return a filtered list of WP-supported audio formats.
|
|
*
|
|
* @since 3.6.0
|
|
* @return array
|
|
*/
|
|
function wp_get_audio_extensions() {
|
|
/**
|
|
* Filter the list of supported audio formats.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $extensions An array of support audio formats. Defaults are
|
|
* 'mp3', 'ogg', 'wma', 'm4a', 'wav'.
|
|
*/
|
|
return apply_filters( 'wp_audio_extensions', array( 'mp3', 'ogg', 'wma', 'm4a', 'wav' ) );
|
|
}
|
|
|
|
/**
|
|
* Return useful keys to use to lookup data from an attachment's stored metadata.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param WP_Post $attachment The current attachment, provided for context.
|
|
* @param string $context The context. Accepts 'edit', 'display'. Default 'display'.
|
|
* @return array Key/value pairs of field keys to labels.
|
|
*/
|
|
function wp_get_attachment_id3_keys( $attachment, $context = 'display' ) {
|
|
$fields = array(
|
|
'artist' => __( 'Artist' ),
|
|
'album' => __( 'Album' ),
|
|
);
|
|
|
|
if ( 'display' === $context ) {
|
|
$fields['genre'] = __( 'Genre' );
|
|
$fields['year'] = __( 'Year' );
|
|
$fields['length_formatted'] = _x( 'Length', 'video or audio' );
|
|
}
|
|
|
|
/**
|
|
* Filter the editable list of keys to look up data from an attachment's metadata.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param array $fields Key/value pairs of field keys to labels.
|
|
* @param WP_Post $attachment Attachment object.
|
|
* @param string $context The context. Accepts 'edit', 'display'. Default 'display'.
|
|
*/
|
|
return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
|
|
}
|
|
/**
|
|
* The Audio shortcode.
|
|
*
|
|
* This implements the functionality of the Audio Shortcode for displaying
|
|
* WordPress mp3s in a post.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $attr {
|
|
* Attributes of the audio shortcode.
|
|
*
|
|
* @type string $src URL to the source of the audio file. Default empty.
|
|
* @type string $loop The 'loop' attribute for the `<audio>` element. Default empty.
|
|
* @type string $autoplay The 'autoplay' attribute for the `<audio>` element. Default empty.
|
|
* @type string $preload The 'preload' attribute for the `<audio>` element. Default empty.
|
|
* @type string $class The 'class' attribute for the `<audio>` element. Default 'wp-audio-shortcode'.
|
|
* @type string $id The 'id' attribute for the `<audio>` element. Default 'audio-{$post_id}-{$instances}'.
|
|
* @type string $style The 'style' attribute for the `<audio>` element. Default 'width: 100%'.
|
|
* }
|
|
* @param string $content Optional. Shortcode content.
|
|
* @return string HTML content to display audio.
|
|
*/
|
|
function wp_audio_shortcode( $attr, $content = '' ) {
|
|
$post_id = get_post() ? get_the_ID() : 0;
|
|
|
|
static $instances = 0;
|
|
$instances++;
|
|
|
|
/**
|
|
* Filter the default audio shortcode output.
|
|
*
|
|
* If the filtered output isn't empty, it will be used instead of generating the default audio template.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $html Empty variable to be replaced with shortcode markup.
|
|
* @param array $attr Attributes of the shortcode. @see wp_audio_shortcode()
|
|
* @param string $content Shortcode content.
|
|
* @param int $instances Unique numeric ID of this audio shortcode instance.
|
|
*/
|
|
$html = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instances );
|
|
if ( '' !== $html )
|
|
return $html;
|
|
|
|
$audio = null;
|
|
|
|
$default_types = wp_get_audio_extensions();
|
|
$defaults_atts = array(
|
|
'src' => '',
|
|
'loop' => '',
|
|
'autoplay' => '',
|
|
'preload' => 'none'
|
|
);
|
|
foreach ( $default_types as $type )
|
|
$defaults_atts[$type] = '';
|
|
|
|
$atts = shortcode_atts( $defaults_atts, $attr, 'audio' );
|
|
extract( $atts );
|
|
|
|
$primary = false;
|
|
if ( ! empty( $src ) ) {
|
|
$type = wp_check_filetype( $src, wp_get_mime_types() );
|
|
if ( ! in_array( strtolower( $type['ext'] ), $default_types ) )
|
|
return sprintf( '<a class="wp-embedded-audio" href="%s">%s</a>', esc_url( $src ), esc_html( $src ) );
|
|
$primary = true;
|
|
array_unshift( $default_types, 'src' );
|
|
} else {
|
|
foreach ( $default_types as $ext ) {
|
|
if ( ! empty( $$ext ) ) {
|
|
$type = wp_check_filetype( $$ext, wp_get_mime_types() );
|
|
if ( strtolower( $type['ext'] ) === $ext )
|
|
$primary = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( ! $primary ) {
|
|
$audios = get_attached_media( 'audio', $post_id );
|
|
if ( empty( $audios ) )
|
|
return;
|
|
|
|
$audio = reset( $audios );
|
|
$src = wp_get_attachment_url( $audio->ID );
|
|
if ( empty( $src ) )
|
|
return;
|
|
|
|
array_unshift( $default_types, 'src' );
|
|
}
|
|
|
|
/**
|
|
* Filter the media library used for the audio shortcode.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $library Media library used for the audio shortcode.
|
|
*/
|
|
$library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
|
|
if ( 'mediaelement' === $library && did_action( 'init' ) ) {
|
|
wp_enqueue_style( 'wp-mediaelement' );
|
|
wp_enqueue_script( 'wp-mediaelement' );
|
|
}
|
|
|
|
/**
|
|
* Filter the class attribute for the audio shortcode output container.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $class CSS class or list of space-separated classes.
|
|
*/
|
|
$atts = array(
|
|
'class' => apply_filters( 'wp_audio_shortcode_class', 'wp-audio-shortcode' ),
|
|
'id' => sprintf( 'audio-%d-%d', $post_id, $instances ),
|
|
'loop' => $loop,
|
|
'autoplay' => $autoplay,
|
|
'preload' => $preload,
|
|
'style' => 'width: 100%',
|
|
);
|
|
|
|
// These ones should just be omitted altogether if they are blank
|
|
foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) {
|
|
if ( empty( $atts[$a] ) )
|
|
unset( $atts[$a] );
|
|
}
|
|
|
|
$attr_strings = array();
|
|
foreach ( $atts as $k => $v ) {
|
|
$attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
|
|
}
|
|
|
|
$html = '';
|
|
if ( 'mediaelement' === $library && 1 === $instances )
|
|
$html .= "<!--[if lt IE 9]><script>document.createElement('audio');</script><![endif]-->\n";
|
|
$html .= sprintf( '<audio %s controls="controls">', join( ' ', $attr_strings ) );
|
|
|
|
$fileurl = '';
|
|
$source = '<source type="%s" src="%s" />';
|
|
foreach ( $default_types as $fallback ) {
|
|
if ( ! empty( $$fallback ) ) {
|
|
if ( empty( $fileurl ) )
|
|
$fileurl = $$fallback;
|
|
$type = wp_check_filetype( $$fallback, wp_get_mime_types() );
|
|
$url = add_query_arg( '_', $instances, $$fallback );
|
|
$html .= sprintf( $source, $type['type'], esc_url( $url ) );
|
|
}
|
|
}
|
|
|
|
if ( 'mediaelement' === $library )
|
|
$html .= wp_mediaelement_fallback( $fileurl );
|
|
$html .= '</audio>';
|
|
|
|
/**
|
|
* Filter the audio shortcode output.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $html Audio shortcode HTML output.
|
|
* @param array $atts Array of audio shortcode attributes.
|
|
* @param string $audio Audio file.
|
|
* @param int $post_id Post ID.
|
|
* @param string $library Media library used for the audio shortcode.
|
|
*/
|
|
return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );
|
|
}
|
|
add_shortcode( 'audio', 'wp_audio_shortcode' );
|
|
|
|
/**
|
|
* Return a filtered list of WP-supported video formats
|
|
*
|
|
* @since 3.6.0
|
|
* @return array
|
|
*/
|
|
function wp_get_video_extensions() {
|
|
/**
|
|
* Filter the list of supported video formats.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $extensions An array of support video formats. Defaults are
|
|
* 'mp4', 'm4v', 'webm', 'ogv', 'wmv', 'flv'.
|
|
*/
|
|
return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'wmv', 'flv' ) );
|
|
}
|
|
|
|
/**
|
|
* The Video shortcode.
|
|
*
|
|
* This implements the functionality of the Video Shortcode for displaying
|
|
* WordPress mp4s in a post.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $attr {
|
|
* Attributes of the shortcode.
|
|
*
|
|
* @type string $src URL to the source of the video file. Default empty.
|
|
* @type int $height Height of the video embed in pixels. Default 360.
|
|
* @type int $width Width of the video embed in pixels. Default $content_width or 640.
|
|
* @type string $poster The 'poster' attribute for the `<video>` element. Default empty.
|
|
* @type string $loop The 'loop' attribute for the `<video>` element. Default empty.
|
|
* @type string $autoplay The 'autoplay' attribute for the `<video>` element. Default empty.
|
|
* @type string $preload The 'preload' attribute for the `<video>` element.
|
|
* Default 'metadata'.
|
|
* @type string $class The 'class' attribute for the `<video>` element.
|
|
* Default 'wp-video-shortcode'.
|
|
* @type string $id The 'id' attribute for the `<video>` element.
|
|
* Default 'video-{$post_id}-{$instances}'.
|
|
* }
|
|
* @param string $content Optional. Shortcode content.
|
|
* @return string HTML content to display video.
|
|
*/
|
|
function wp_video_shortcode( $attr, $content = '' ) {
|
|
global $content_width;
|
|
$post_id = get_post() ? get_the_ID() : 0;
|
|
|
|
static $instances = 0;
|
|
$instances++;
|
|
|
|
/**
|
|
* Filter the default video shortcode output.
|
|
*
|
|
* If the filtered output isn't empty, it will be used instead of generating
|
|
* the default video template.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @see wp_video_shortcode()
|
|
*
|
|
* @param string $html Empty variable to be replaced with shortcode markup.
|
|
* @param array $attr Attributes of the video shortcode.
|
|
* @param string $content Video shortcode content.
|
|
* @param int $instances Unique numeric ID of this video shortcode instance.
|
|
*/
|
|
$html = apply_filters( 'wp_video_shortcode_override', '', $attr, $content, $instances );
|
|
if ( '' !== $html )
|
|
return $html;
|
|
|
|
$video = null;
|
|
|
|
$default_types = wp_get_video_extensions();
|
|
$defaults_atts = array(
|
|
'src' => '',
|
|
'poster' => '',
|
|
'loop' => '',
|
|
'autoplay' => '',
|
|
'preload' => 'metadata',
|
|
'width' => 640,
|
|
'height' => 360,
|
|
);
|
|
|
|
foreach ( $default_types as $type )
|
|
$defaults_atts[$type] = '';
|
|
|
|
$atts = shortcode_atts( $defaults_atts, $attr, 'video' );
|
|
extract( $atts );
|
|
|
|
if ( is_admin() ) {
|
|
// shrink the video so it isn't huge in the admin
|
|
if ( $width > $defaults_atts['width'] ) {
|
|
$height = round( ( $height * $defaults_atts['width'] ) / $width );
|
|
$width = $defaults_atts['width'];
|
|
}
|
|
} else {
|
|
// if the video is bigger than the theme
|
|
if ( ! empty( $content_width ) && $width > $content_width ) {
|
|
$height = round( ( $height * $content_width ) / $width );
|
|
$width = $content_width;
|
|
}
|
|
}
|
|
|
|
$yt_pattern = '#^https?://(:?www\.)?(:?youtube\.com/watch|youtu\.be/)#';
|
|
|
|
$primary = false;
|
|
if ( ! empty( $src ) ) {
|
|
if ( ! preg_match( $yt_pattern, $src ) ) {
|
|
$type = wp_check_filetype( $src, wp_get_mime_types() );
|
|
if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
|
|
return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $src ), esc_html( $src ) );
|
|
}
|
|
}
|
|
$primary = true;
|
|
array_unshift( $default_types, 'src' );
|
|
} else {
|
|
foreach ( $default_types as $ext ) {
|
|
if ( ! empty( $$ext ) ) {
|
|
$type = wp_check_filetype( $$ext, wp_get_mime_types() );
|
|
if ( strtolower( $type['ext'] ) === $ext )
|
|
$primary = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( ! $primary ) {
|
|
$videos = get_attached_media( 'video', $post_id );
|
|
if ( empty( $videos ) )
|
|
return;
|
|
|
|
$video = reset( $videos );
|
|
$src = wp_get_attachment_url( $video->ID );
|
|
if ( empty( $src ) )
|
|
return;
|
|
|
|
array_unshift( $default_types, 'src' );
|
|
}
|
|
|
|
/**
|
|
* Filter the media library used for the video shortcode.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $library Media library used for the video shortcode.
|
|
*/
|
|
$library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
|
|
if ( 'mediaelement' === $library && did_action( 'init' ) ) {
|
|
wp_enqueue_style( 'wp-mediaelement' );
|
|
wp_enqueue_script( 'wp-mediaelement' );
|
|
}
|
|
|
|
/**
|
|
* Filter the class attribute for the video shortcode output container.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $class CSS class or list of space-separated classes.
|
|
*/
|
|
$atts = array(
|
|
'class' => apply_filters( 'wp_video_shortcode_class', 'wp-video-shortcode' ),
|
|
'id' => sprintf( 'video-%d-%d', $post_id, $instances ),
|
|
'width' => absint( $width ),
|
|
'height' => absint( $height ),
|
|
'poster' => esc_url( $poster ),
|
|
'loop' => $loop,
|
|
'autoplay' => $autoplay,
|
|
'preload' => $preload,
|
|
);
|
|
|
|
// These ones should just be omitted altogether if they are blank
|
|
foreach ( array( 'poster', 'loop', 'autoplay', 'preload' ) as $a ) {
|
|
if ( empty( $atts[$a] ) )
|
|
unset( $atts[$a] );
|
|
}
|
|
|
|
$attr_strings = array();
|
|
foreach ( $atts as $k => $v ) {
|
|
$attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
|
|
}
|
|
|
|
$html = '';
|
|
if ( 'mediaelement' === $library && 1 === $instances )
|
|
$html .= "<!--[if lt IE 9]><script>document.createElement('video');</script><![endif]-->\n";
|
|
$html .= sprintf( '<video %s controls="controls">', join( ' ', $attr_strings ) );
|
|
|
|
$fileurl = '';
|
|
$source = '<source type="%s" src="%s" />';
|
|
foreach ( $default_types as $fallback ) {
|
|
if ( ! empty( $$fallback ) ) {
|
|
if ( empty( $fileurl ) )
|
|
$fileurl = $$fallback;
|
|
|
|
if ( 'src' === $fallback && preg_match( $yt_pattern, $src ) ) {
|
|
$type = array( 'type' => 'video/youtube' );
|
|
} else {
|
|
$type = wp_check_filetype( $$fallback, wp_get_mime_types() );
|
|
}
|
|
$url = add_query_arg( '_', $instances, $$fallback );
|
|
$html .= sprintf( $source, $type['type'], esc_url( $url ) );
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $content ) ) {
|
|
if ( false !== strpos( $content, "\n" ) )
|
|
$content = str_replace( array( "\r\n", "\n", "\t" ), '', $content );
|
|
|
|
$html .= trim( $content );
|
|
}
|
|
|
|
if ( 'mediaelement' === $library )
|
|
$html .= wp_mediaelement_fallback( $fileurl );
|
|
$html .= '</video>';
|
|
|
|
$html = sprintf( '<div style="width: %dpx; max-width: 100%%;" class="wp-video">%s</div>', $width, $html );
|
|
|
|
/**
|
|
* Filter the output of the video shortcode.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $html Video shortcode HTML output.
|
|
* @param array $atts Array of video shortcode attributes.
|
|
* @param string $video Video file.
|
|
* @param int $post_id Post ID.
|
|
* @param string $library Media library used for the video shortcode.
|
|
*/
|
|
return apply_filters( 'wp_video_shortcode', $html, $atts, $video, $post_id, $library );
|
|
}
|
|
add_shortcode( 'video', 'wp_video_shortcode' );
|
|
|
|
/**
|
|
* Display previous image link that has the same post parent.
|
|
*
|
|
* @since 2.5.0
|
|
* @param string $size Optional, default is 'thumbnail'. Size of image, either array or string. 0 or 'none' will default to post_title or $text;
|
|
* @param string $text Optional, default is false. If included, link will reflect $text variable.
|
|
* @return string HTML content.
|
|
*/
|
|
function previous_image_link($size = 'thumbnail', $text = false) {
|
|
adjacent_image_link(true, $size, $text);
|
|
}
|
|
|
|
/**
|
|
* Display next image link that has the same post parent.
|
|
*
|
|
* @since 2.5.0
|
|
* @param string $size Optional, default is 'thumbnail'. Size of image, either array or string. 0 or 'none' will default to post_title or $text;
|
|
* @param string $text Optional, default is false. If included, link will reflect $text variable.
|
|
* @return string HTML content.
|
|
*/
|
|
function next_image_link($size = 'thumbnail', $text = false) {
|
|
adjacent_image_link(false, $size, $text);
|
|
}
|
|
|
|
/**
|
|
* Display next or previous image link that has the same post parent.
|
|
*
|
|
* Retrieves the current attachment object from the $post global.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param bool $prev Optional. Default is true to display previous link, false for next.
|
|
*/
|
|
function adjacent_image_link($prev = true, $size = 'thumbnail', $text = false) {
|
|
$post = get_post();
|
|
$attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
|
|
|
|
foreach ( $attachments as $k => $attachment )
|
|
if ( $attachment->ID == $post->ID )
|
|
break;
|
|
|
|
$k = $prev ? $k - 1 : $k + 1;
|
|
|
|
$output = $attachment_id = null;
|
|
if ( isset( $attachments[ $k ] ) ) {
|
|
$attachment_id = $attachments[ $k ]->ID;
|
|
$output = wp_get_attachment_link( $attachment_id, $size, true, false, $text );
|
|
}
|
|
|
|
$adjacent = $prev ? 'previous' : 'next';
|
|
|
|
/**
|
|
* Filter the adjacent image link.
|
|
*
|
|
* The dynamic portion of the hook name, $adjacent, refers to the type of adjacency,
|
|
* either 'next', or 'previous'.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param string $output Adjacent image HTML markup.
|
|
* @param int $attachment_id Attachment ID
|
|
* @param string $size Image size.
|
|
* @param string $text Link text.
|
|
*/
|
|
echo apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text );
|
|
}
|
|
|
|
/**
|
|
* Retrieve taxonomies attached to the attachment.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int|array|object $attachment Attachment ID, Attachment data array, or Attachment data object.
|
|
* @return array Empty array on failure. List of taxonomies on success.
|
|
*/
|
|
function get_attachment_taxonomies($attachment) {
|
|
if ( is_int( $attachment ) )
|
|
$attachment = get_post($attachment);
|
|
else if ( is_array($attachment) )
|
|
$attachment = (object) $attachment;
|
|
|
|
if ( ! is_object($attachment) )
|
|
return array();
|
|
|
|
$filename = basename($attachment->guid);
|
|
|
|
$objects = array('attachment');
|
|
|
|
if ( false !== strpos($filename, '.') )
|
|
$objects[] = 'attachment:' . substr($filename, strrpos($filename, '.') + 1);
|
|
if ( !empty($attachment->post_mime_type) ) {
|
|
$objects[] = 'attachment:' . $attachment->post_mime_type;
|
|
if ( false !== strpos($attachment->post_mime_type, '/') )
|
|
foreach ( explode('/', $attachment->post_mime_type) as $token )
|
|
if ( !empty($token) )
|
|
$objects[] = "attachment:$token";
|
|
}
|
|
|
|
$taxonomies = array();
|
|
foreach ( $objects as $object )
|
|
if ( $taxes = get_object_taxonomies($object) )
|
|
$taxonomies = array_merge($taxonomies, $taxes);
|
|
|
|
return array_unique($taxonomies);
|
|
}
|
|
|
|
/**
|
|
* Return all of the taxonomy names that are registered for attachments.
|
|
*
|
|
* Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
|
|
*
|
|
* @since 3.5.0
|
|
* @see get_attachment_taxonomies()
|
|
* @uses get_taxonomies()
|
|
*
|
|
* @param string $output The type of output to return, either taxonomy 'names' or 'objects'. 'names' is the default.
|
|
* @return array The names of all taxonomy of $object_type.
|
|
*/
|
|
function get_taxonomies_for_attachments( $output = 'names' ) {
|
|
$taxonomies = array();
|
|
foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy ) {
|
|
foreach ( $taxonomy->object_type as $object_type ) {
|
|
if ( 'attachment' == $object_type || 0 === strpos( $object_type, 'attachment:' ) ) {
|
|
if ( 'names' == $output )
|
|
$taxonomies[] = $taxonomy->name;
|
|
else
|
|
$taxonomies[ $taxonomy->name ] = $taxonomy;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $taxonomies;
|
|
}
|
|
|
|
/**
|
|
* Create new GD image resource with transparency support
|
|
* @TODO: Deprecate if possible.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $width Image width
|
|
* @param int $height Image height
|
|
* @return image resource
|
|
*/
|
|
function wp_imagecreatetruecolor($width, $height) {
|
|
$img = imagecreatetruecolor($width, $height);
|
|
if ( is_resource($img) && function_exists('imagealphablending') && function_exists('imagesavealpha') ) {
|
|
imagealphablending($img, false);
|
|
imagesavealpha($img, true);
|
|
}
|
|
return $img;
|
|
}
|
|
|
|
/**
|
|
* Register an embed handler. This function should probably only be used for sites that do not support oEmbed.
|
|
*
|
|
* @since 2.9.0
|
|
* @see WP_Embed::register_handler()
|
|
*/
|
|
function wp_embed_register_handler( $id, $regex, $callback, $priority = 10 ) {
|
|
global $wp_embed;
|
|
$wp_embed->register_handler( $id, $regex, $callback, $priority );
|
|
}
|
|
|
|
/**
|
|
* Unregister a previously registered embed handler.
|
|
*
|
|
* @since 2.9.0
|
|
* @see WP_Embed::unregister_handler()
|
|
*/
|
|
function wp_embed_unregister_handler( $id, $priority = 10 ) {
|
|
global $wp_embed;
|
|
$wp_embed->unregister_handler( $id, $priority );
|
|
}
|
|
|
|
/**
|
|
* Create default array of embed parameters.
|
|
*
|
|
* The width defaults to the content width as specified by the theme. If the
|
|
* theme does not specify a content width, then 500px is used.
|
|
*
|
|
* The default height is 1.5 times the width, or 1000px, whichever is smaller.
|
|
*
|
|
* The 'embed_defaults' filter can be used to adjust either of these values.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @return array Default embed parameters.
|
|
*/
|
|
function wp_embed_defaults() {
|
|
if ( ! empty( $GLOBALS['content_width'] ) )
|
|
$width = (int) $GLOBALS['content_width'];
|
|
|
|
if ( empty( $width ) )
|
|
$width = 500;
|
|
|
|
$height = min( ceil( $width * 1.5 ), 1000 );
|
|
|
|
/**
|
|
* Filter the default array of embed dimensions.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $width Width of the embed in pixels.
|
|
* @param int $height Height of the embed in pixels.
|
|
*/
|
|
return apply_filters( 'embed_defaults', compact( 'width', 'height' ) );
|
|
}
|
|
|
|
/**
|
|
* Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height.
|
|
*
|
|
* @since 2.9.0
|
|
* @uses wp_constrain_dimensions() This function passes the widths and the heights.
|
|
*
|
|
* @param int $example_width The width of an example embed.
|
|
* @param int $example_height The height of an example embed.
|
|
* @param int $max_width The maximum allowed width.
|
|
* @param int $max_height The maximum allowed height.
|
|
* @return array The maximum possible width and height based on the example ratio.
|
|
*/
|
|
function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) {
|
|
$example_width = (int) $example_width;
|
|
$example_height = (int) $example_height;
|
|
$max_width = (int) $max_width;
|
|
$max_height = (int) $max_height;
|
|
|
|
return wp_constrain_dimensions( $example_width * 1000000, $example_height * 1000000, $max_width, $max_height );
|
|
}
|
|
|
|
/**
|
|
* Attempts to fetch the embed HTML for a provided URL using oEmbed.
|
|
*
|
|
* @since 2.9.0
|
|
* @see WP_oEmbed
|
|
*
|
|
* @uses _wp_oembed_get_object()
|
|
* @uses WP_oEmbed::get_html()
|
|
*
|
|
* @param string $url The URL that should be embedded.
|
|
* @param array $args Additional arguments and parameters.
|
|
* @return bool|string False on failure or the embed HTML on success.
|
|
*/
|
|
function wp_oembed_get( $url, $args = '' ) {
|
|
require_once( ABSPATH . WPINC . '/class-oembed.php' );
|
|
$oembed = _wp_oembed_get_object();
|
|
return $oembed->get_html( $url, $args );
|
|
}
|
|
|
|
/**
|
|
* Adds a URL format and oEmbed provider URL pair.
|
|
*
|
|
* @since 2.9.0
|
|
* @see WP_oEmbed
|
|
*
|
|
* @uses _wp_oembed_get_object()
|
|
*
|
|
* @param string $format The format of URL that this provider can handle. You can use asterisks as wildcards.
|
|
* @param string $provider The URL to the oEmbed provider.
|
|
* @param boolean $regex Whether the $format parameter is in a regex format.
|
|
*/
|
|
function wp_oembed_add_provider( $format, $provider, $regex = false ) {
|
|
require_once( ABSPATH . WPINC . '/class-oembed.php' );
|
|
$oembed = _wp_oembed_get_object();
|
|
$oembed->providers[$format] = array( $provider, $regex );
|
|
}
|
|
|
|
/**
|
|
* Removes an oEmbed provider.
|
|
*
|
|
* @since 3.5.0
|
|
* @see WP_oEmbed
|
|
*
|
|
* @uses _wp_oembed_get_object()
|
|
*
|
|
* @param string $format The URL format for the oEmbed provider to remove.
|
|
*/
|
|
function wp_oembed_remove_provider( $format ) {
|
|
require_once( ABSPATH . WPINC . '/class-oembed.php' );
|
|
|
|
$oembed = _wp_oembed_get_object();
|
|
|
|
if ( isset( $oembed->providers[ $format ] ) ) {
|
|
unset( $oembed->providers[ $format ] );
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Determines if default embed handlers should be loaded.
|
|
*
|
|
* Checks to make sure that the embeds library hasn't already been loaded. If
|
|
* it hasn't, then it will load the embeds library.
|
|
*
|
|
* @since 2.9.0
|
|
*/
|
|
function wp_maybe_load_embeds() {
|
|
/**
|
|
* Filter whether to load the default embed handlers.
|
|
*
|
|
* Returning a falsey value will prevent loading the default embed handlers.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param bool $maybe_load_embeds Whether to load the embeds library. Default true.
|
|
*/
|
|
if ( ! apply_filters( 'load_default_embeds', true ) ) {
|
|
return;
|
|
}
|
|
|
|
wp_embed_register_handler( 'googlevideo', '#http://video\.google\.([A-Za-z.]{2,5})/videoplay\?docid=([\d-]+)(.*?)#i', 'wp_embed_handler_googlevideo' );
|
|
|
|
/**
|
|
* Filter the audio embed handler callback.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param callback $handler Audio embed handler callback function.
|
|
*/
|
|
wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );
|
|
|
|
/**
|
|
* Filter the video embed handler callback.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param callback $handler Video embed handler callback function.
|
|
*/
|
|
wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );
|
|
}
|
|
|
|
/**
|
|
* The Google Video embed handler callback. Google Video does not support oEmbed.
|
|
*
|
|
* @see WP_Embed::register_handler()
|
|
* @see WP_Embed::shortcode()
|
|
*
|
|
* @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
|
|
* @param array $attr Embed attributes.
|
|
* @param string $url The original URL that was matched by the regex.
|
|
* @param array $rawattr The original unmodified attributes.
|
|
* @return string The embed HTML.
|
|
*/
|
|
function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
|
|
// If the user supplied a fixed width AND height, use it
|
|
if ( !empty($rawattr['width']) && !empty($rawattr['height']) ) {
|
|
$width = (int) $rawattr['width'];
|
|
$height = (int) $rawattr['height'];
|
|
} else {
|
|
list( $width, $height ) = wp_expand_dimensions( 425, 344, $attr['width'], $attr['height'] );
|
|
}
|
|
|
|
/**
|
|
* Filter the Google Video embed output.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param string $html Google Video HTML embed markup.
|
|
* @param array $matches The regex matches from the provided regex.
|
|
* @param array $attr An array of embed attributes.
|
|
* @param string $url The original URL that was matched by the regex.
|
|
* @param array $rawattr The original unmodified attributes.
|
|
*/
|
|
return apply_filters( 'embed_googlevideo', '<embed type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docid=' . esc_attr($matches[2]) . '&hl=en&fs=true" style="width:' . esc_attr($width) . 'px;height:' . esc_attr($height) . 'px" allowFullScreen="true" allowScriptAccess="always" />', $matches, $attr, $url, $rawattr );
|
|
}
|
|
|
|
/**
|
|
* Audio embed handler callback.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
|
|
* @param array $attr Embed attributes.
|
|
* @param string $url The original URL that was matched by the regex.
|
|
* @param array $rawattr The original unmodified attributes.
|
|
* @return string The embed HTML.
|
|
*/
|
|
function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {
|
|
$audio = sprintf( '[audio src="%s" /]', esc_url( $url ) );
|
|
|
|
/**
|
|
* Filter the audio embed output.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $audio Audio embed output.
|
|
* @param array $attr An array of embed attributes.
|
|
* @param string $url The original URL that was matched by the regex.
|
|
* @param array $rawattr The original unmodified attributes.
|
|
*/
|
|
return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr );
|
|
}
|
|
|
|
/**
|
|
* Video embed handler callback.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
|
|
* @param array $attr Embed attributes.
|
|
* @param string $url The original URL that was matched by the regex.
|
|
* @param array $rawattr The original unmodified attributes.
|
|
* @return string The embed HTML.
|
|
*/
|
|
function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {
|
|
$dimensions = '';
|
|
if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) {
|
|
$dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] );
|
|
$dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] );
|
|
}
|
|
$video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) );
|
|
|
|
/**
|
|
* Filter the video embed output.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $video Video embed output.
|
|
* @param array $attr An array of embed attributes.
|
|
* @param string $url The original URL that was matched by the regex.
|
|
* @param array $rawattr The original unmodified attributes.
|
|
*/
|
|
return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr );
|
|
}
|
|
|
|
/**
|
|
* Converts a shorthand byte value to an integer byte value.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $size A shorthand byte value.
|
|
* @return int An integer byte value.
|
|
*/
|
|
function wp_convert_hr_to_bytes( $size ) {
|
|
$size = strtolower( $size );
|
|
$bytes = (int) $size;
|
|
if ( strpos( $size, 'k' ) !== false )
|
|
$bytes = intval( $size ) * 1024;
|
|
elseif ( strpos( $size, 'm' ) !== false )
|
|
$bytes = intval($size) * 1024 * 1024;
|
|
elseif ( strpos( $size, 'g' ) !== false )
|
|
$bytes = intval( $size ) * 1024 * 1024 * 1024;
|
|
return $bytes;
|
|
}
|
|
|
|
/**
|
|
* Determine the maximum upload size allowed in php.ini.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @return int Allowed upload size.
|
|
*/
|
|
function wp_max_upload_size() {
|
|
$u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );
|
|
$p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );
|
|
|
|
/**
|
|
* Filter the maximum upload size allowed in php.ini.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int $size Max upload size limit in bytes.
|
|
* @param int $u_bytes Maximum upload filesize in bytes.
|
|
* @param int $p_bytes Maximum size of POST data in bytes.
|
|
*/
|
|
return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
|
|
}
|
|
|
|
/**
|
|
* Returns a WP_Image_Editor instance and loads file into it.
|
|
*
|
|
* @since 3.5.0
|
|
* @access public
|
|
*
|
|
* @param string $path Path to file to load
|
|
* @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
|
|
* @return WP_Image_Editor|WP_Error
|
|
*/
|
|
function wp_get_image_editor( $path, $args = array() ) {
|
|
$args['path'] = $path;
|
|
|
|
if ( ! isset( $args['mime_type'] ) ) {
|
|
$file_info = wp_check_filetype( $args['path'] );
|
|
|
|
// If $file_info['type'] is false, then we let the editor attempt to
|
|
// figure out the file type, rather than forcing a failure based on extension.
|
|
if ( isset( $file_info ) && $file_info['type'] )
|
|
$args['mime_type'] = $file_info['type'];
|
|
}
|
|
|
|
$implementation = _wp_image_editor_choose( $args );
|
|
|
|
if ( $implementation ) {
|
|
$editor = new $implementation( $path );
|
|
$loaded = $editor->load();
|
|
|
|
if ( is_wp_error( $loaded ) )
|
|
return $loaded;
|
|
|
|
return $editor;
|
|
}
|
|
|
|
return new WP_Error( 'image_no_editor', __('No editor could be selected.') );
|
|
}
|
|
|
|
/**
|
|
* Tests whether there is an editor that supports a given mime type or methods.
|
|
*
|
|
* @since 3.5.0
|
|
* @access public
|
|
*
|
|
* @param string|array $args Array of requirements. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
|
|
* @return boolean true if an eligible editor is found; false otherwise
|
|
*/
|
|
function wp_image_editor_supports( $args = array() ) {
|
|
return (bool) _wp_image_editor_choose( $args );
|
|
}
|
|
|
|
/**
|
|
* Tests which editors are capable of supporting the request.
|
|
*
|
|
* @since 3.5.0
|
|
* @access private
|
|
*
|
|
* @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
|
|
* @return string|bool Class name for the first editor that claims to support the request. False if no editor claims to support the request.
|
|
*/
|
|
function _wp_image_editor_choose( $args = array() ) {
|
|
require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
|
|
require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
|
|
require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
|
|
|
|
/**
|
|
* Filter the list of image editing library classes.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param array $image_editors List of available image editors. Defaults are
|
|
* 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.
|
|
*/
|
|
$implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );
|
|
|
|
foreach ( $implementations as $implementation ) {
|
|
if ( ! call_user_func( array( $implementation, 'test' ), $args ) )
|
|
continue;
|
|
|
|
if ( isset( $args['mime_type'] ) &&
|
|
! call_user_func(
|
|
array( $implementation, 'supports_mime_type' ),
|
|
$args['mime_type'] ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( isset( $args['methods'] ) &&
|
|
array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {
|
|
continue;
|
|
}
|
|
|
|
return $implementation;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Prints default plupload arguments.
|
|
*
|
|
* @since 3.4.0
|
|
*/
|
|
function wp_plupload_default_settings() {
|
|
global $wp_scripts;
|
|
|
|
$data = $wp_scripts->get_data( 'wp-plupload', 'data' );
|
|
if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) )
|
|
return;
|
|
|
|
$max_upload_size = wp_max_upload_size();
|
|
|
|
$defaults = array(
|
|
'runtimes' => 'html5,flash,silverlight,html4',
|
|
'file_data_name' => 'async-upload', // key passed to $_FILE.
|
|
'url' => admin_url( 'async-upload.php', 'relative' ),
|
|
'flash_swf_url' => includes_url( 'js/plupload/plupload.flash.swf' ),
|
|
'silverlight_xap_url' => includes_url( 'js/plupload/plupload.silverlight.xap' ),
|
|
'filters' => array(
|
|
'max_file_size' => $max_upload_size . 'b',
|
|
),
|
|
);
|
|
|
|
// Multi-file uploading doesn't currently work in iOS Safari,
|
|
// single-file allows the built-in camera to be used as source for images
|
|
if ( wp_is_mobile() )
|
|
$defaults['multi_selection'] = false;
|
|
|
|
/**
|
|
* Filter the Plupload default settings.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param array $defaults Default Plupload settings array.
|
|
*/
|
|
$defaults = apply_filters( 'plupload_default_settings', $defaults );
|
|
|
|
$params = array(
|
|
'action' => 'upload-attachment',
|
|
);
|
|
|
|
/**
|
|
* Filter the Plupload default parameters.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param array $params Default Plupload parameters array.
|
|
*/
|
|
$params = apply_filters( 'plupload_default_params', $params );
|
|
$params['_wpnonce'] = wp_create_nonce( 'media-form' );
|
|
$defaults['multipart_params'] = $params;
|
|
|
|
$settings = array(
|
|
'defaults' => $defaults,
|
|
'browser' => array(
|
|
'mobile' => wp_is_mobile(),
|
|
'supported' => _device_can_upload(),
|
|
),
|
|
'limitExceeded' => is_multisite() && ! is_upload_space_available()
|
|
);
|
|
|
|
$script = 'var _wpPluploadSettings = ' . json_encode( $settings ) . ';';
|
|
|
|
if ( $data )
|
|
$script = "$data\n$script";
|
|
|
|
$wp_scripts->add_data( 'wp-plupload', 'data', $script );
|
|
}
|
|
add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
|
|
|
|
/**
|
|
* Prepares an attachment post object for JS, where it is expected
|
|
* to be JSON-encoded and fit into an Attachment model.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param mixed $attachment Attachment ID or object.
|
|
* @return array Array of attachment details.
|
|
*/
|
|
function wp_prepare_attachment_for_js( $attachment ) {
|
|
if ( ! $attachment = get_post( $attachment ) )
|
|
return;
|
|
|
|
if ( 'attachment' != $attachment->post_type )
|
|
return;
|
|
|
|
$meta = wp_get_attachment_metadata( $attachment->ID );
|
|
if ( false !== strpos( $attachment->post_mime_type, '/' ) )
|
|
list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
|
|
else
|
|
list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
|
|
|
|
$attachment_url = wp_get_attachment_url( $attachment->ID );
|
|
|
|
$response = array(
|
|
'id' => $attachment->ID,
|
|
'title' => $attachment->post_title,
|
|
'filename' => wp_basename( $attachment->guid ),
|
|
'url' => $attachment_url,
|
|
'link' => get_attachment_link( $attachment->ID ),
|
|
'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
|
|
'author' => $attachment->post_author,
|
|
'description' => $attachment->post_content,
|
|
'caption' => $attachment->post_excerpt,
|
|
'name' => $attachment->post_name,
|
|
'status' => $attachment->post_status,
|
|
'uploadedTo' => $attachment->post_parent,
|
|
'date' => strtotime( $attachment->post_date_gmt ) * 1000,
|
|
'modified' => strtotime( $attachment->post_modified_gmt ) * 1000,
|
|
'menuOrder' => $attachment->menu_order,
|
|
'mime' => $attachment->post_mime_type,
|
|
'type' => $type,
|
|
'subtype' => $subtype,
|
|
'icon' => wp_mime_type_icon( $attachment->ID ),
|
|
'dateFormatted' => mysql2date( get_option('date_format'), $attachment->post_date ),
|
|
'nonces' => array(
|
|
'update' => false,
|
|
'delete' => false,
|
|
'edit' => false
|
|
),
|
|
'editLink' => false,
|
|
);
|
|
|
|
if ( current_user_can( 'edit_post', $attachment->ID ) ) {
|
|
$response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
|
|
$response['nonces']['edit'] = wp_create_nonce( 'image_editor-' . $attachment->ID );
|
|
$response['editLink'] = get_edit_post_link( $attachment->ID, 'raw' );
|
|
}
|
|
|
|
if ( current_user_can( 'delete_post', $attachment->ID ) )
|
|
$response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );
|
|
|
|
if ( $meta && 'image' === $type ) {
|
|
$sizes = array();
|
|
|
|
/** This filter is documented in wp-admin/includes/media.php */
|
|
$possible_sizes = apply_filters( 'image_size_names_choose', array(
|
|
'thumbnail' => __('Thumbnail'),
|
|
'medium' => __('Medium'),
|
|
'large' => __('Large'),
|
|
'full' => __('Full Size'),
|
|
) );
|
|
unset( $possible_sizes['full'] );
|
|
|
|
// Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
|
|
// First: run the image_downsize filter. If it returns something, we can use its data.
|
|
// If the filter does not return something, then image_downsize() is just an expensive
|
|
// way to check the image metadata, which we do second.
|
|
foreach ( $possible_sizes as $size => $label ) {
|
|
|
|
/** This filter is documented in wp-includes/media.php */
|
|
if ( $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ) ) {
|
|
if ( ! $downsize[3] )
|
|
continue;
|
|
$sizes[ $size ] = array(
|
|
'height' => $downsize[2],
|
|
'width' => $downsize[1],
|
|
'url' => $downsize[0],
|
|
'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
|
|
);
|
|
} elseif ( isset( $meta['sizes'][ $size ] ) ) {
|
|
if ( ! isset( $base_url ) )
|
|
$base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url );
|
|
|
|
// Nothing from the filter, so consult image metadata if we have it.
|
|
$size_meta = $meta['sizes'][ $size ];
|
|
|
|
// We have the actual image size, but might need to further constrain it if content_width is narrower.
|
|
// Thumbnail, medium, and full sizes are also checked against the site's height/width options.
|
|
list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );
|
|
|
|
$sizes[ $size ] = array(
|
|
'height' => $height,
|
|
'width' => $width,
|
|
'url' => $base_url . $size_meta['file'],
|
|
'orientation' => $height > $width ? 'portrait' : 'landscape',
|
|
);
|
|
}
|
|
}
|
|
|
|
$sizes['full'] = array( 'url' => $attachment_url );
|
|
|
|
if ( isset( $meta['height'], $meta['width'] ) ) {
|
|
$sizes['full']['height'] = $meta['height'];
|
|
$sizes['full']['width'] = $meta['width'];
|
|
$sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';
|
|
}
|
|
|
|
$response = array_merge( $response, array( 'sizes' => $sizes ), $sizes['full'] );
|
|
} elseif ( $meta && 'video' === $type ) {
|
|
if ( isset( $meta['width'] ) )
|
|
$response['width'] = (int) $meta['width'];
|
|
if ( isset( $meta['height'] ) )
|
|
$response['height'] = (int) $meta['height'];
|
|
}
|
|
|
|
if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {
|
|
if ( isset( $meta['length_formatted'] ) )
|
|
$response['fileLength'] = $meta['length_formatted'];
|
|
|
|
$response['meta'] = array();
|
|
foreach ( wp_get_attachment_id3_keys( $attachment ) as $key => $label ) {
|
|
if ( ! empty( $meta[ $key ] ) ) {
|
|
$response['meta'][ $key ] = $meta[ $key ];
|
|
}
|
|
}
|
|
|
|
$id = get_post_thumbnail_id( $attachment->ID );
|
|
if ( ! empty( $id ) ) {
|
|
list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
|
|
$response['image'] = compact( 'src', 'width', 'height' );
|
|
list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
|
|
$response['thumb'] = compact( 'src', 'width', 'height' );
|
|
} else {
|
|
$src = wp_mime_type_icon( $attachment->ID );
|
|
$width = 48;
|
|
$height = 64;
|
|
$response['image'] = compact( 'src', 'width', 'height' );
|
|
$response['thumb'] = compact( 'src', 'width', 'height' );
|
|
}
|
|
}
|
|
|
|
if ( function_exists('get_compat_media_markup') )
|
|
$response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );
|
|
|
|
/**
|
|
* Filter the attachment data prepared for JavaScript.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param array $response Array of prepared attachment data.
|
|
* @param int|object $attachment Attachment ID or object.
|
|
* @param array $meta Array of attachment meta data.
|
|
*/
|
|
return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
|
|
}
|
|
|
|
/**
|
|
* Enqueues all scripts, styles, settings, and templates necessary to use
|
|
* all media JS APIs.
|
|
*
|
|
* @since 3.5.0
|
|
*/
|
|
function wp_enqueue_media( $args = array() ) {
|
|
|
|
// Enqueue me just once per page, please.
|
|
if ( did_action( 'wp_enqueue_media' ) )
|
|
return;
|
|
|
|
global $content_width;
|
|
|
|
$defaults = array(
|
|
'post' => null,
|
|
);
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
// We're going to pass the old thickbox media tabs to `media_upload_tabs`
|
|
// to ensure plugins will work. We will then unset those tabs.
|
|
$tabs = array(
|
|
// handler action suffix => tab label
|
|
'type' => '',
|
|
'type_url' => '',
|
|
'gallery' => '',
|
|
'library' => '',
|
|
);
|
|
|
|
/** This filter is documented in wp-admin/includes/media.php */
|
|
$tabs = apply_filters( 'media_upload_tabs', $tabs );
|
|
unset( $tabs['type'], $tabs['type_url'], $tabs['gallery'], $tabs['library'] );
|
|
|
|
$props = array(
|
|
'link' => get_option( 'image_default_link_type' ), // db default is 'file'
|
|
'align' => get_option( 'image_default_align' ), // empty default
|
|
'size' => get_option( 'image_default_size' ), // empty default
|
|
);
|
|
|
|
$exts = array_merge( wp_get_audio_extensions(), wp_get_video_extensions() );
|
|
$mimes = get_allowed_mime_types();
|
|
$ext_mimes = array();
|
|
foreach ( $exts as $ext ) {
|
|
foreach ( $mimes as $ext_preg => $mime_match ) {
|
|
if ( preg_match( '#' . $ext . '#i', $ext_preg ) ) {
|
|
$ext_mimes[ $ext ] = $mime_match;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$audio = $video = 0;
|
|
$counts = (array) wp_count_attachments();
|
|
foreach ( $counts as $mime => $total ) {
|
|
if ( 0 === strpos( $mime, 'audio/' ) ) {
|
|
$audio += (int) $total;
|
|
} elseif ( 0 === strpos( $mime, 'video/' ) ) {
|
|
$video += (int) $total;
|
|
}
|
|
}
|
|
|
|
$settings = array(
|
|
'tabs' => $tabs,
|
|
'tabUrl' => add_query_arg( array( 'chromeless' => true ), admin_url('media-upload.php') ),
|
|
'mimeTypes' => wp_list_pluck( get_post_mime_types(), 0 ),
|
|
/** This filter is documented in wp-admin/includes/media.php */
|
|
'captions' => ! apply_filters( 'disable_captions', '' ),
|
|
'nonce' => array(
|
|
'sendToEditor' => wp_create_nonce( 'media-send-to-editor' ),
|
|
),
|
|
'post' => array(
|
|
'id' => 0,
|
|
),
|
|
'defaultProps' => $props,
|
|
'attachmentCounts' => array(
|
|
'audio' => $audio,
|
|
'video' => $video
|
|
),
|
|
'embedExts' => $exts,
|
|
'embedMimes' => $ext_mimes,
|
|
'contentWidth' => $content_width,
|
|
);
|
|
|
|
$post = null;
|
|
if ( isset( $args['post'] ) ) {
|
|
$post = get_post( $args['post'] );
|
|
$settings['post'] = array(
|
|
'id' => $post->ID,
|
|
'nonce' => wp_create_nonce( 'update-post_' . $post->ID ),
|
|
);
|
|
|
|
$thumbnail_support = current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' );
|
|
if ( ! $thumbnail_support && 'attachment' === $post->post_type && $post->post_mime_type ) {
|
|
if ( 0 === strpos( $post->post_mime_type, 'audio/' ) ) {
|
|
$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
|
|
} elseif ( 0 === strpos( $post->post_mime_type, 'video/' ) ) {
|
|
$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
|
|
}
|
|
}
|
|
|
|
if ( $thumbnail_support ) {
|
|
$featured_image_id = get_post_meta( $post->ID, '_thumbnail_id', true );
|
|
$settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1;
|
|
}
|
|
}
|
|
|
|
$hier = $post && is_post_type_hierarchical( $post->post_type );
|
|
|
|
$strings = array(
|
|
// Generic
|
|
'url' => __( 'URL' ),
|
|
'addMedia' => __( 'Add Media' ),
|
|
'search' => __( 'Search' ),
|
|
'select' => __( 'Select' ),
|
|
'cancel' => __( 'Cancel' ),
|
|
'update' => __( 'Update' ),
|
|
'replace' => __( 'Replace' ),
|
|
'remove' => __( 'Remove' ),
|
|
'back' => __( 'Back' ),
|
|
/* translators: This is a would-be plural string used in the media manager.
|
|
If there is not a word you can use in your language to avoid issues with the
|
|
lack of plural support here, turn it into "selected: %d" then translate it.
|
|
*/
|
|
'selected' => __( '%d selected' ),
|
|
'dragInfo' => __( 'Drag and drop to reorder images.' ),
|
|
|
|
// Upload
|
|
'uploadFilesTitle' => __( 'Upload Files' ),
|
|
'uploadImagesTitle' => __( 'Upload Images' ),
|
|
|
|
// Library
|
|
'mediaLibraryTitle' => __( 'Media Library' ),
|
|
'insertMediaTitle' => __( 'Insert Media' ),
|
|
'createNewGallery' => __( 'Create a new gallery' ),
|
|
'createNewPlaylist' => __( 'Create a new playlist' ),
|
|
'createNewVideoPlaylist' => __( 'Create a new video playlist' ),
|
|
'returnToLibrary' => __( '← Return to library' ),
|
|
'allMediaItems' => __( 'All media items' ),
|
|
'noItemsFound' => __( 'No items found.' ),
|
|
'insertIntoPost' => $hier ? __( 'Insert into page' ) : __( 'Insert into post' ),
|
|
'uploadedToThisPost' => $hier ? __( 'Uploaded to this page' ) : __( 'Uploaded to this post' ),
|
|
'warnDelete' => __( "You are about to permanently delete this item.\n 'Cancel' to stop, 'OK' to delete." ),
|
|
|
|
// From URL
|
|
'insertFromUrlTitle' => __( 'Insert from URL' ),
|
|
|
|
// Featured Images
|
|
'setFeaturedImageTitle' => __( 'Set Featured Image' ),
|
|
'setFeaturedImage' => __( 'Set featured image' ),
|
|
|
|
// Gallery
|
|
'createGalleryTitle' => __( 'Create Gallery' ),
|
|
'editGalleryTitle' => __( 'Edit Gallery' ),
|
|
'cancelGalleryTitle' => __( '← Cancel Gallery' ),
|
|
'insertGallery' => __( 'Insert gallery' ),
|
|
'updateGallery' => __( 'Update gallery' ),
|
|
'addToGallery' => __( 'Add to gallery' ),
|
|
'addToGalleryTitle' => __( 'Add to Gallery' ),
|
|
'reverseOrder' => __( 'Reverse order' ),
|
|
|
|
// Edit Image
|
|
'imageDetailsTitle' => __( 'Image Details' ),
|
|
'imageReplaceTitle' => __( 'Replace Image' ),
|
|
'imageDetailsCancel' => __( 'Cancel Edit' ),
|
|
'editImage' => __( 'Edit Image' ),
|
|
|
|
// Crop Image
|
|
'chooseImage' => __( 'Choose Image' ),
|
|
'selectAndCrop' => __( 'Select and Crop' ),
|
|
'skipCropping' => __( 'Skip Cropping' ),
|
|
'cropImage' => __( 'Crop Image' ),
|
|
'cropYourImage' => __( 'Crop your image' ),
|
|
'cropping' => __( 'Cropping…' ),
|
|
'suggestedDimensions' => __( 'Suggested image dimensions:' ),
|
|
'cropError' => __( 'There has been an error cropping your image.' ),
|
|
|
|
// Edit Audio
|
|
'audioDetailsTitle' => __( 'Audio Details' ),
|
|
'audioReplaceTitle' => __( 'Replace Audio' ),
|
|
'audioAddSourceTitle' => __( 'Add Audio Source' ),
|
|
'audioDetailsCancel' => __( 'Cancel Edit' ),
|
|
|
|
// Edit Video
|
|
'videoDetailsTitle' => __( 'Video Details' ),
|
|
'videoReplaceTitle' => __( 'Replace Video' ),
|
|
'videoAddSourceTitle' => __( 'Add Video Source' ),
|
|
'videoDetailsCancel' => __( 'Cancel Edit' ),
|
|
'videoSelectPosterImageTitle' => _( 'Select Poster Image' ),
|
|
'videoAddTrackTitle' => __( 'Add Subtitles' ),
|
|
|
|
// Playlist
|
|
'playlistDragInfo' => __( 'Drag and drop to reorder tracks.' ),
|
|
'createPlaylistTitle' => __( 'Create Audio Playlist' ),
|
|
'editPlaylistTitle' => __( 'Edit Audio Playlist' ),
|
|
'cancelPlaylistTitle' => __( '← Cancel Audio Playlist' ),
|
|
'insertPlaylist' => __( 'Insert audio playlist' ),
|
|
'updatePlaylist' => __( 'Update audio playlist' ),
|
|
'addToPlaylist' => __( 'Add to audio playlist' ),
|
|
'addToPlaylistTitle' => __( 'Add to Audio Playlist' ),
|
|
|
|
// Video Playlist
|
|
'videoPlaylistDragInfo' => __( 'Drag and drop to reorder videos.' ),
|
|
'createVideoPlaylistTitle' => __( 'Create Video Playlist' ),
|
|
'editVideoPlaylistTitle' => __( 'Edit Video Playlist' ),
|
|
'cancelVideoPlaylistTitle' => __( '← Cancel Video Playlist' ),
|
|
'insertVideoPlaylist' => __( 'Insert video playlist' ),
|
|
'updateVideoPlaylist' => __( 'Update video playlist' ),
|
|
'addToVideoPlaylist' => __( 'Add to video playlist' ),
|
|
'addToVideoPlaylistTitle' => __( 'Add to Video Playlist' ),
|
|
);
|
|
|
|
/**
|
|
* Filter the media view settings.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param array $settings List of media view settings.
|
|
* @param WP_Post $post Post object.
|
|
*/
|
|
$settings = apply_filters( 'media_view_settings', $settings, $post );
|
|
|
|
/**
|
|
* Filter the media view strings.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param array $strings List of media view strings.
|
|
* @param WP_Post $post Post object.
|
|
*/
|
|
$strings = apply_filters( 'media_view_strings', $strings, $post );
|
|
|
|
$strings['settings'] = $settings;
|
|
|
|
wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings );
|
|
|
|
wp_enqueue_script( 'media-editor' );
|
|
wp_enqueue_script( 'media-audiovideo' );
|
|
wp_enqueue_style( 'media-views' );
|
|
if ( is_admin() ) {
|
|
wp_enqueue_script( 'mce-view' );
|
|
wp_enqueue_script( 'image-edit' );
|
|
}
|
|
wp_enqueue_style( 'imgareaselect' );
|
|
wp_plupload_default_settings();
|
|
|
|
require_once ABSPATH . WPINC . '/media-template.php';
|
|
add_action( 'admin_footer', 'wp_print_media_templates' );
|
|
add_action( 'wp_footer', 'wp_print_media_templates' );
|
|
add_action( 'customize_controls_print_footer_scripts', 'wp_print_media_templates' );
|
|
|
|
/**
|
|
* Fires at the conclusion of wp_enqueue_media().
|
|
*
|
|
* @since 3.5.0
|
|
*/
|
|
do_action( 'wp_enqueue_media' );
|
|
}
|
|
|
|
/**
|
|
* Retrieve media attached to the passed post.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $type (Mime) type of media desired
|
|
* @param mixed $post Post ID or object
|
|
* @return array Found attachments
|
|
*/
|
|
function get_attached_media( $type, $post = 0 ) {
|
|
if ( ! $post = get_post( $post ) )
|
|
return array();
|
|
|
|
$args = array(
|
|
'post_parent' => $post->ID,
|
|
'post_type' => 'attachment',
|
|
'post_mime_type' => $type,
|
|
'posts_per_page' => -1,
|
|
'orderby' => 'menu_order',
|
|
'order' => 'ASC',
|
|
);
|
|
|
|
/**
|
|
* Filter arguments used to retrieve media attached to the given post.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $args Post query arguments.
|
|
* @param string $type Mime type of the desired media.
|
|
* @param mixed $post Post ID or object.
|
|
*/
|
|
$args = apply_filters( 'get_attached_media_args', $args, $type, $post );
|
|
|
|
$children = get_children( $args );
|
|
|
|
/**
|
|
* Filter the
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $children Associative array of media attached to the given post.
|
|
* @param string $type Mime type of the media desired.
|
|
* @param mixed $post Post ID or object.
|
|
*/
|
|
return (array) apply_filters( 'get_attached_media', $children, $type, $post );
|
|
}
|
|
|
|
/**
|
|
* Check the content blob for an <audio>, <video> <object>, <embed>, or <iframe>
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param string $content A string which might contain media data.
|
|
* @param array $types array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'
|
|
* @return array A list of found HTML media embeds
|
|
*/
|
|
function get_media_embedded_in_content( $content, $types = null ) {
|
|
$html = array();
|
|
$allowed_media_types = array( 'audio', 'video', 'object', 'embed', 'iframe' );
|
|
if ( ! empty( $types ) ) {
|
|
if ( ! is_array( $types ) )
|
|
$types = array( $types );
|
|
$allowed_media_types = array_intersect( $allowed_media_types, $types );
|
|
}
|
|
|
|
foreach ( $allowed_media_types as $tag ) {
|
|
if ( preg_match( '#' . get_tag_regex( $tag ) . '#', $content, $matches ) ) {
|
|
$html[] = $matches[0];
|
|
}
|
|
}
|
|
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Retrieve galleries from the passed post's content.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param int|WP_Post $post Optional. Post ID or object.
|
|
* @param bool $html Whether to return HTML or data in the array.
|
|
* @return array A list of arrays, each containing gallery data and srcs parsed
|
|
* from the expanded shortcode.
|
|
*/
|
|
function get_post_galleries( $post, $html = true ) {
|
|
if ( ! $post = get_post( $post ) )
|
|
return array();
|
|
|
|
if ( ! has_shortcode( $post->post_content, 'gallery' ) )
|
|
return array();
|
|
|
|
$galleries = array();
|
|
if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $post->post_content, $matches, PREG_SET_ORDER ) ) {
|
|
foreach ( $matches as $shortcode ) {
|
|
if ( 'gallery' === $shortcode[2] ) {
|
|
$srcs = array();
|
|
$count = 1;
|
|
|
|
$gallery = do_shortcode_tag( $shortcode );
|
|
if ( $html ) {
|
|
$galleries[] = $gallery;
|
|
} else {
|
|
preg_match_all( '#src=([\'"])(.+?)\1#is', $gallery, $src, PREG_SET_ORDER );
|
|
if ( ! empty( $src ) ) {
|
|
foreach ( $src as $s )
|
|
$srcs[] = $s[2];
|
|
}
|
|
|
|
$data = shortcode_parse_atts( $shortcode[3] );
|
|
$data['src'] = array_values( array_unique( $srcs ) );
|
|
$galleries[] = $data;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter the list of all found galleries in the given post.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $galleries Associative array of all found post galleries.
|
|
* @param WP_Post $post Post object.
|
|
*/
|
|
return apply_filters( 'get_post_galleries', $galleries, $post );
|
|
}
|
|
|
|
/**
|
|
* Check a specified post's content for gallery and, if present, return the first
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param int|WP_Post $post Optional. Post ID or object.
|
|
* @param bool $html Whether to return HTML or data.
|
|
* @return string|array Gallery data and srcs parsed from the expanded shortcode.
|
|
*/
|
|
function get_post_gallery( $post = 0, $html = true ) {
|
|
$galleries = get_post_galleries( $post, $html );
|
|
$gallery = reset( $galleries );
|
|
|
|
/**
|
|
* Filter the first-found post gallery.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param array $gallery The first-found post gallery.
|
|
* @param int|WP_Post $post Post ID or object.
|
|
* @param array $galleries Associative array of all found post galleries.
|
|
*/
|
|
return apply_filters( 'get_post_gallery', $gallery, $post, $galleries );
|
|
}
|
|
|
|
/**
|
|
* Retrieve the image srcs from galleries from a post's content, if present
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param mixed $post Optional. Post ID or object.
|
|
* @return array A list of lists, each containing image srcs parsed
|
|
* from an expanded shortcode
|
|
*/
|
|
function get_post_galleries_images( $post = 0 ) {
|
|
$galleries = get_post_galleries( $post, false );
|
|
return wp_list_pluck( $galleries, 'src' );
|
|
}
|
|
|
|
/**
|
|
* Check a post's content for galleries and return the image srcs for the first found gallery
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param mixed $post Optional. Post ID or object.
|
|
* @return array A list of a gallery's image srcs in order
|
|
*/
|
|
function get_post_gallery_images( $post = 0 ) {
|
|
$gallery = get_post_gallery( $post, false );
|
|
return empty( $gallery['src'] ) ? array() : $gallery['src'];
|
|
}
|
|
|
|
/**
|
|
* Maybe attempt to generate attachment metadata, if missing.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param WP_Post $attachment Attachment object.
|
|
*/
|
|
function wp_maybe_generate_attachment_metadata( $attachment ) {
|
|
if ( empty( $attachment ) || ( empty( $attachment->ID ) || ! $attachment_id = (int) $attachment->ID ) ) {
|
|
return;
|
|
}
|
|
|
|
$file = get_attached_file( $attachment_id );
|
|
$meta = wp_get_attachment_metadata( $attachment_id );
|
|
if ( empty( $meta ) && file_exists( $file ) ) {
|
|
$_meta = get_post_meta( $attachment_id );
|
|
$regeneration_lock = 'wp_generating_att_' . $attachment_id;
|
|
if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) && ! get_transient( $regeneration_lock ) ) {
|
|
set_transient( $regeneration_lock, $file );
|
|
wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
|
|
delete_transient( $regeneration_lock );
|
|
}
|
|
}
|
|
}
|