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aaf99e6913
WordPress' code just... wasn't. This is now dealt with. Props jrf, pento, netweb, GaryJ, jdgrimes, westonruter, Greg Sherwood from PHPCS, and everyone who's ever contributed to WPCS and PHPCS. Fixes #41057. Built from https://develop.svn.wordpress.org/trunk@42343 git-svn-id: http://core.svn.wordpress.org/trunk@42172 1a063a9b-81f0-0310-95a4-ce76da25c4cd
396 lines
9.7 KiB
PHP
396 lines
9.7 KiB
PHP
<?php
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/**
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* Dependencies API: WP_Styles class
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*
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* @since 2.6.0
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*
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* @package WordPress
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* @subpackage Dependencies
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*/
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/**
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* Core class used to register styles.
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*
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* @since 2.6.0
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*
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* @see WP_Dependencies
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*/
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class WP_Styles extends WP_Dependencies {
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/**
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* Base URL for styles.
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*
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* Full URL with trailing slash.
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*
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* @since 2.6.0
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* @var string
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*/
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public $base_url;
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/**
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* URL of the content directory.
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*
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* @since 2.8.0
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* @var string
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*/
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public $content_url;
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/**
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* Default version string for stylesheets.
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*
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* @since 2.6.0
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* @var string
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*/
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public $default_version;
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/**
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* The current text direction.
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*
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* @since 2.6.0
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* @var string
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*/
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public $text_direction = 'ltr';
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/**
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* Holds a list of style handles which will be concatenated.
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*
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* @since 2.8.0
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* @var string
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*/
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public $concat = '';
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/**
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* Holds a string which contains style handles and their version.
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*
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* @since 2.8.0
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* @deprecated 3.4.0
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* @var string
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*/
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public $concat_version = '';
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/**
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* Whether to perform concatenation.
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*
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* @since 2.8.0
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* @var bool
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*/
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public $do_concat = false;
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/**
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* Holds HTML markup of styles and additional data if concatenation
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* is enabled.
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*
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* @since 2.8.0
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* @var string
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*/
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public $print_html = '';
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/**
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* Holds inline styles if concatenation is enabled.
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*
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* @since 3.3.0
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* @var string
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*/
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public $print_code = '';
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/**
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* List of default directories.
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*
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* @since 2.8.0
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* @var array
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*/
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public $default_dirs;
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/**
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* Constructor.
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*
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* @since 2.6.0
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*/
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public function __construct() {
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/**
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* Fires when the WP_Styles instance is initialized.
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*
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* @since 2.6.0
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*
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* @param WP_Styles $this WP_Styles instance (passed by reference).
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*/
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do_action_ref_array( 'wp_default_styles', array( &$this ) );
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}
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/**
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* Processes a style dependency.
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*
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* @since 2.6.0
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*
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* @see WP_Dependencies::do_item()
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*
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* @param string $handle The style's registered handle.
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* @return bool True on success, false on failure.
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*/
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public function do_item( $handle ) {
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if ( ! parent::do_item( $handle ) ) {
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return false;
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}
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$obj = $this->registered[ $handle ];
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if ( null === $obj->ver ) {
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$ver = '';
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} else {
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$ver = $obj->ver ? $obj->ver : $this->default_version;
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}
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if ( isset( $this->args[ $handle ] ) ) {
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$ver = $ver ? $ver . '&' . $this->args[ $handle ] : $this->args[ $handle ];
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}
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if ( $this->do_concat ) {
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if ( $this->in_default_dir( $obj->src ) && ! isset( $obj->extra['conditional'] ) && ! isset( $obj->extra['alt'] ) ) {
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$this->concat .= "$handle,";
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$this->concat_version .= "$handle$ver";
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$this->print_code .= $this->print_inline_style( $handle, false );
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return true;
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}
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}
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if ( isset( $obj->args ) ) {
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$media = esc_attr( $obj->args );
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} else {
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$media = 'all';
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}
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// A single item may alias a set of items, by having dependencies, but no source.
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if ( ! $obj->src ) {
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if ( $inline_style = $this->print_inline_style( $handle, false ) ) {
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$inline_style = sprintf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $inline_style );
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if ( $this->do_concat ) {
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$this->print_html .= $inline_style;
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} else {
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echo $inline_style;
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}
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}
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return true;
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}
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$href = $this->_css_href( $obj->src, $ver, $handle );
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if ( ! $href ) {
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return true;
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}
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$rel = isset( $obj->extra['alt'] ) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
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$title = isset( $obj->extra['title'] ) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : '';
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/**
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* Filters the HTML link tag of an enqueued style.
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*
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* @since 2.6.0
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* @since 4.3.0 Introduced the `$href` parameter.
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* @since 4.5.0 Introduced the `$media` parameter.
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*
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* @param string $html The link tag for the enqueued style.
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* @param string $handle The style's registered handle.
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* @param string $href The stylesheet's source URL.
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* @param string $media The stylesheet's media attribute.
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*/
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$tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle, $href, $media );
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if ( 'rtl' === $this->text_direction && isset( $obj->extra['rtl'] ) && $obj->extra['rtl'] ) {
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if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) {
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$suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : '';
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$rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $obj->src, $ver, "$handle-rtl" ) );
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} else {
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$rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" );
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}
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/** This filter is documented in wp-includes/class.wp-styles.php */
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$rtl_tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle, $rtl_href, $media );
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if ( $obj->extra['rtl'] === 'replace' ) {
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$tag = $rtl_tag;
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} else {
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$tag .= $rtl_tag;
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}
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}
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$conditional_pre = $conditional_post = '';
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if ( isset( $obj->extra['conditional'] ) && $obj->extra['conditional'] ) {
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$conditional_pre = "<!--[if {$obj->extra['conditional']}]>\n";
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$conditional_post = "<![endif]-->\n";
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}
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if ( $this->do_concat ) {
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$this->print_html .= $conditional_pre;
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$this->print_html .= $tag;
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if ( $inline_style = $this->print_inline_style( $handle, false ) ) {
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$this->print_html .= sprintf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $inline_style );
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}
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$this->print_html .= $conditional_post;
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} else {
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echo $conditional_pre;
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echo $tag;
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$this->print_inline_style( $handle );
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echo $conditional_post;
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}
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return true;
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}
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/**
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* Adds extra CSS styles to a registered stylesheet.
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*
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* @since 3.3.0
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*
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* @param string $handle The style's registered handle.
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* @param string $code String containing the CSS styles to be added.
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* @return bool True on success, false on failure.
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*/
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public function add_inline_style( $handle, $code ) {
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if ( ! $code ) {
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return false;
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}
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$after = $this->get_data( $handle, 'after' );
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if ( ! $after ) {
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$after = array();
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}
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$after[] = $code;
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return $this->add_data( $handle, 'after', $after );
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}
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/**
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* Prints extra CSS styles of a registered stylesheet.
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*
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* @since 3.3.0
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*
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* @param string $handle The style's registered handle.
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* @param bool $echo Optional. Whether to echo the inline style instead of just returning it.
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* Default true.
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* @return string|bool False if no data exists, inline styles if `$echo` is true, true otherwise.
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*/
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public function print_inline_style( $handle, $echo = true ) {
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$output = $this->get_data( $handle, 'after' );
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if ( empty( $output ) ) {
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return false;
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}
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$output = implode( "\n", $output );
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if ( ! $echo ) {
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return $output;
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}
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printf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $output );
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return true;
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}
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/**
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* Determines style dependencies.
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*
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* @since 2.6.0
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*
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* @see WP_Dependencies::all_deps()
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*
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* @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings).
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* @param bool $recursion Internal flag that function is calling itself.
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* @param int|false $group Group level: (int) level, (false) no groups.
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* @return bool True on success, false on failure.
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*/
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public function all_deps( $handles, $recursion = false, $group = false ) {
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$r = parent::all_deps( $handles, $recursion, $group );
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if ( ! $recursion ) {
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/**
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* Filters the array of enqueued styles before processing for output.
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*
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* @since 2.6.0
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*
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* @param array $to_do The list of enqueued styles about to be processed.
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*/
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$this->to_do = apply_filters( 'print_styles_array', $this->to_do );
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}
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return $r;
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}
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/**
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* Generates an enqueued style's fully-qualified URL.
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*
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* @since 2.6.0
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*
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* @param string $src The source of the enqueued style.
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* @param string $ver The version of the enqueued style.
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* @param string $handle The style's registered handle.
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* @return string Style's fully-qualified URL.
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*/
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public function _css_href( $src, $ver, $handle ) {
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if ( ! is_bool( $src ) && ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) {
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$src = $this->base_url . $src;
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}
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if ( ! empty( $ver ) ) {
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$src = add_query_arg( 'ver', $ver, $src );
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}
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/**
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* Filters an enqueued style's fully-qualified URL.
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*
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* @since 2.6.0
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*
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* @param string $src The source URL of the enqueued style.
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* @param string $handle The style's registered handle.
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*/
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$src = apply_filters( 'style_loader_src', $src, $handle );
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return esc_url( $src );
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}
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/**
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* Whether a handle's source is in a default directory.
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*
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* @since 2.8.0
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*
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* @param string $src The source of the enqueued style.
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* @return bool True if found, false if not.
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*/
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public function in_default_dir( $src ) {
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if ( ! $this->default_dirs ) {
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return true;
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}
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foreach ( (array) $this->default_dirs as $test ) {
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if ( 0 === strpos( $src, $test ) ) {
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return true;
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}
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}
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return false;
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}
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/**
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* Processes items and dependencies for the footer group.
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*
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* HTML 5 allows styles in the body, grab late enqueued items and output them in the footer.
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*
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* @since 3.3.0
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*
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* @see WP_Dependencies::do_items()
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*
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* @return array Handles of items that have been processed.
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*/
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public function do_footer_items() {
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$this->do_items( false, 1 );
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return $this->done;
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}
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/**
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* Resets class properties.
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*
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* @since 3.3.0
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*/
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public function reset() {
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$this->do_concat = false;
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$this->concat = '';
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$this->concat_version = '';
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$this->print_html = '';
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}
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}
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