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EDIT :: media-upload.php

<?php /** * Manage media uploaded file. * * There are many filters in here for media. Plugins can extend functionality * by hooking into the filters. * * @package WordPress * @subpackage Administration */ if ( ! isset( $_GET['inline'] ) ) { define( 'IFRAME_REQUEST', true ); } /** Load WordPress Administration Bootstrap */ require_once __DIR__ . '/admin.php'; if ( ! current_user_can( 'upload_files' ) ) { wp_die( __( 'Sorry, you are not allowed to upload files.' ), 403 ); } wp_enqueue_script( 'plupload-handlers' ); wp_enqueue_script( 'image-edit' ); wp_enqueue_script( 'set-post-thumbnail' ); wp_enqueue_style( 'imgareaselect' ); wp_enqueue_script( 'media-gallery' ); header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) ); // IDs should be integers. $ID = isset( $ID ) ? (int) $ID : 0; // phpcs:ignore WordPress.NamingConventions.ValidVariableName $post_id = isset( $post_id ) ? (int) $post_id : 0; // Require an ID for the edit screen. if ( isset( $action ) && 'edit' === $action && ! $ID ) { // phpcs:ignore WordPress.NamingConventions.ValidVariableName wp_die( '<h1>' . __( 'An error occurred during the upload process.' ) . '</h1>' . '<p>' . __( 'Invalid item ID. You can view all media items in the <a href="upload.php">Media Library</a>.' ) . '</p>', 403 ); } if ( ! empty( $_REQUEST['post_id'] ) && ! current_user_can( 'edit_post', $_REQUEST['post_id'] ) ) { wp_die( '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' . '<p>' . __( 'Sorry, you are not allowed to edit this item.' ) . '</p>', 403 ); } // Upload type: image, video, file, ...? if ( isset( $_GET['type'] ) ) { $type = (string) $_GET['type']; } else { /** * Filters the default media upload type in the legacy (pre-3.5.0) media popup. * * @since 2.5.0 * * @param string $type The default media upload type. Possible values include * 'image', 'audio', 'video', 'file', etc. Default 'file'. */ $type = apply_filters( 'media_upload_default_type', 'file' ); } // Tab: gallery, library, or type-specific. if ( isset( $_GET['tab'] ) ) { $tab = (string) $_GET['tab']; } else { /** * Filters the default tab in the legacy (pre-3.5.0) media popup. * * @since 2.5.0 * * @param string $tab The default media popup tab. Default 'type' (From Computer). */ $tab = apply_filters( 'media_upload_default_tab', 'type' ); } $body_id = 'media-upload'; // Let the action code decide how to handle the request. if ( 'type' === $tab || 'type_url' === $tab || ! array_key_exists( $tab, media_upload_tabs() ) ) { /** * Fires inside specific upload-type views in the legacy (pre-3.5.0) * media popup based on the current tab. * * The dynamic portion of the hook name, `$type`, refers to the specific * media upload type. * * The hook only fires if the current `$tab` is 'type' (From Computer), * 'type_url' (From URL), or, if the tab does not exist (i.e., has not * been registered via the {@see 'media_upload_tabs'} filter. * * Possible hook names include: * * - `media_upload_audio` * - `media_upload_file` * - `media_upload_image` * - `media_upload_video` * * @since 2.5.0 */ do_action( "media_upload_{$type}" ); } else { /** * Fires inside limited and specific upload-tab views in the legacy * (pre-3.5.0) media popup. * * The dynamic portion of the hook name, `$tab`, refers to the specific * media upload tab. Possible values include 'library' (Media Library), * or any custom tab registered via the {@see 'media_upload_tabs'} filter. * * @since 2.5.0 */ do_action( "media_upload_{$tab}" ); }

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