WP_Site_Icon

15#[AllowDynamicProperties]16class WP_Site_Icon {17 18	/**19	 * The minimum size of the site icon.20	 *21	 * @since 4.3.022	 * @var int23	 */24	public $min_size = 512;25 26	/**27	 * The size to which to crop the image so that we can display it in the UI nicely.28	 *29	 * @since 4.3.030	 * @var int31	 */32	public $page_crop = 512;33 34	/**35	 * List of site icon sizes.36	 *37	 * @since 4.3.038	 * @var int[]39	 */40	public $site_icon_sizes = array(41		/*42		 * Square, medium sized tiles for IE11+.43		 *44		 * See https://msdn.microsoft.com/library/dn455106(v=vs.85).aspx45		 */46		270,47 48		/*49		 * App icon for Android/Chrome.50		 *51		 * @link https://developers.google.com/web/updates/2014/11/Support-for-theme-color-in-Chrome-39-for-Android52		 * @link https://developer.chrome.com/multidevice/android/installtohomescreen53		 */54		192,55 56		/*57		 * App icons up to iPhone 6 Plus.58		 *59		 * See https://developer.apple.com/library/prerelease/ios/documentation/UserExperience/Conceptual/MobileHIG/IconMatrix.html60		 */61		180,62 63		// High-density (2x) site icon for the admin bar and post embeds.64		64,65 66		// Our regular Favicon.67		32,68	);69 70	/**71	 * Registers actions and filters.72	 *73	 * @since 4.3.074	 */75	public function __construct() {76		add_action( 'delete_attachment', array( $this, 'delete_attachment_data' ) );77		add_filter( 'get_post_metadata', array( $this, 'get_post_metadata' ), 10, 4 );78	}79 80	/**81	 * Creates an attachment 'object'.82	 *83	 * @since 4.3.084	 * @deprecated 6.5.085	 *86	 * @param string $cropped              Cropped image URL.87	 * @param int    $parent_attachment_id Attachment ID of parent image.88	 * @return array An array with attachment object data.89	 */90	public function create_attachment_object( $cropped, $parent_attachment_id ) {91		_deprecated_function( __METHOD__, '6.5.0', 'wp_copy_parent_attachment_properties()' );92 93		$parent     = get_post( $parent_attachment_id );94		$parent_url = wp_get_attachment_url( $parent->ID );