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Prior to about 2013, many class methods lacked even access modifiers which made the `@access` notations that much more useful. Now that we've gotten to a point where the codebase is more mature from a maintenance perspective and we can finally remove these notations. Notable exceptions to this change include standalone functions notated as private as well as some classes still considered to represent "private" APIs. See #41452. Built from https://develop.svn.wordpress.org/trunk@41161 git-svn-id: http://core.svn.wordpress.org/trunk@41001 1a063a9b-81f0-0310-95a4-ce76da25c4cd
234 lines
5.9 KiB
PHP
234 lines
5.9 KiB
PHP
<?php
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/**
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* Administration API: WP_Site_Icon class
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*
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* @package WordPress
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* @subpackage Administration
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* @since 4.3.0
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*/
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/**
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* Core class used to implement site icon functionality.
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*
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* @since 4.3.0
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*/
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class WP_Site_Icon {
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/**
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* The minimum size of the site icon.
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*
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* @since 4.3.0
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* @var int
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*/
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public $min_size = 512;
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/**
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* The size to which to crop the image so that we can display it in the UI nicely.
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*
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* @since 4.3.0
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* @var int
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*/
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public $page_crop = 512;
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/**
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* List of site icon sizes.
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*
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* @since 4.3.0
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* @var array
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*/
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public $site_icon_sizes = array(
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/*
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* Square, medium sized tiles for IE11+.
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*
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* See https://msdn.microsoft.com/library/dn455106(v=vs.85).aspx
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*/
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270,
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/*
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* App icon for Android/Chrome.
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*
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* @link https://developers.google.com/web/updates/2014/11/Support-for-theme-color-in-Chrome-39-for-Android
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* @link https://developer.chrome.com/multidevice/android/installtohomescreen
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*/
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192,
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/*
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* App icons up to iPhone 6 Plus.
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*
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* See https://developer.apple.com/library/prerelease/ios/documentation/UserExperience/Conceptual/MobileHIG/IconMatrix.html
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*/
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180,
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// Our regular Favicon.
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32,
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);
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/**
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* Registers actions and filters.
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*
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* @since 4.3.0
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*/
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public function __construct() {
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add_action( 'delete_attachment', array( $this, 'delete_attachment_data' ) );
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add_filter( 'get_post_metadata', array( $this, 'get_post_metadata' ), 10, 4 );
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}
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/**
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* Creates an attachment 'object'.
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*
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* @since 4.3.0
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*
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* @param string $cropped Cropped image URL.
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* @param int $parent_attachment_id Attachment ID of parent image.
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* @return array Attachment object.
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*/
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public function create_attachment_object( $cropped, $parent_attachment_id ) {
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$parent = get_post( $parent_attachment_id );
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$parent_url = wp_get_attachment_url( $parent->ID );
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$url = str_replace( basename( $parent_url ), basename( $cropped ), $parent_url );
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$size = @getimagesize( $cropped );
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$image_type = ( $size ) ? $size['mime'] : 'image/jpeg';
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$object = array(
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'ID' => $parent_attachment_id,
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'post_title' => basename( $cropped ),
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'post_content' => $url,
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'post_mime_type' => $image_type,
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'guid' => $url,
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'context' => 'site-icon'
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);
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return $object;
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}
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/**
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* Inserts an attachment.
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*
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* @since 4.3.0
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*
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* @param array $object Attachment object.
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* @param string $file File path of the attached image.
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* @return int Attachment ID
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*/
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public function insert_attachment( $object, $file ) {
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$attachment_id = wp_insert_attachment( $object, $file );
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$metadata = wp_generate_attachment_metadata( $attachment_id, $file );
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/**
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* Filters the site icon attachment metadata.
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*
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* @since 4.3.0
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*
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* @see wp_generate_attachment_metadata()
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*
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* @param array $metadata Attachment metadata.
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*/
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$metadata = apply_filters( 'site_icon_attachment_metadata', $metadata );
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wp_update_attachment_metadata( $attachment_id, $metadata );
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return $attachment_id;
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}
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/**
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* Adds additional sizes to be made when creating the site_icon images.
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*
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* @since 4.3.0
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*
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* @param array $sizes List of additional sizes.
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* @return array Additional image sizes.
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*/
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public function additional_sizes( $sizes = array() ) {
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$only_crop_sizes = array();
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/**
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* Filters the different dimensions that a site icon is saved in.
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*
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* @since 4.3.0
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*
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* @param array $site_icon_sizes Sizes available for the Site Icon.
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*/
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$this->site_icon_sizes = apply_filters( 'site_icon_image_sizes', $this->site_icon_sizes );
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// Use a natural sort of numbers.
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natsort( $this->site_icon_sizes );
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$this->site_icon_sizes = array_reverse( $this->site_icon_sizes );
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// ensure that we only resize the image into
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foreach ( $sizes as $name => $size_array ) {
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if ( isset( $size_array['crop'] ) ) {
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$only_crop_sizes[ $name ] = $size_array;
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}
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}
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foreach ( $this->site_icon_sizes as $size ) {
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if ( $size < $this->min_size ) {
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$only_crop_sizes[ 'site_icon-' . $size ] = array(
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'width ' => $size,
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'height' => $size,
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'crop' => true,
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);
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}
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}
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return $only_crop_sizes;
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}
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/**
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* Adds Site Icon sizes to the array of image sizes on demand.
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*
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* @since 4.3.0
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*
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* @param array $sizes List of image sizes.
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* @return array List of intermediate image sizes.
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*/
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public function intermediate_image_sizes( $sizes = array() ) {
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/** This filter is documented in wp-admin/includes/class-wp-site-icon.php */
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$this->site_icon_sizes = apply_filters( 'site_icon_image_sizes', $this->site_icon_sizes );
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foreach ( $this->site_icon_sizes as $size ) {
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$sizes[] = 'site_icon-' . $size;
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}
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return $sizes;
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}
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/**
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* Deletes the Site Icon when the image file is deleted.
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*
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* @since 4.3.0
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*
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* @param int $post_id Attachment ID.
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*/
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public function delete_attachment_data( $post_id ) {
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$site_icon_id = get_option( 'site_icon' );
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if ( $site_icon_id && $post_id == $site_icon_id ) {
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delete_option( 'site_icon' );
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}
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}
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/**
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* Adds custom image sizes when meta data for an image is requested, that happens to be used as Site Icon.
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*
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* @since 4.3.0
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*
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* @param null|array|string $value The value get_metadata() should return a single metadata value, or an
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* array of values.
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* @param int $post_id Post ID.
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* @param string $meta_key Meta key.
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* @param string|array $single Meta value, or an array of values.
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* @return array|null|string The attachment metadata value, array of values, or null.
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*/
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public function get_post_metadata( $value, $post_id, $meta_key, $single ) {
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if ( $single && '_wp_attachment_backup_sizes' === $meta_key ) {
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$site_icon_id = get_option( 'site_icon' );
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if ( $post_id == $site_icon_id ) {
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add_filter( 'intermediate_image_sizes', array( $this, 'intermediate_image_sizes' ) );
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}
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}
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return $value;
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}
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}
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