wphooks.info - attachment_url_to_postid

attachment_url_to_postid

(trunk - 5.1-alpha-44286)

The hook occurs in the following file:

wp-includes/media.php:
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	$post_id = $wpdb->get_var( $sql );

	/**
	 * Filters an attachment id found by URL.
	 *
	 * @since 4.2.0
	 *
	 * @param int|null $post_id The post_id (if any) found by the function.
	 * @param string   $url     The URL being looked up.
	 */
	return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url );
}

/**
 * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
 *
 * @since 4.0.0
 *
 * @return array The relevant CSS file URLs.
 */