media_upload_form_handler() – Handles form submissions for the legacy media uploader.
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Description
Handles form submissions for the legacy media uploader.
Usage
$null|array|void = media_upload_form_handler();
Parameters
Returns
null|array|void Array of error messages keyed by attachment ID, null or void on success.
Source
File name: wordpress/wp-admin/includes/media.php
Lines:
1 to 100 of 127
function media_upload_form_handler() { check_admin_referer( 'media-form' ); $errors = null; if ( isset( $_POST['send'] ) ) { $keys = array_keys( $_POST['send'] ); $send_id = (int) reset( $keys ); } if ( ! empty( $_POST['attachments'] ) ) { foreach ( $_POST['attachments'] as $attachment_id => $attachment ) { $post = get_post( $attachment_id, ARRAY_A ); $_post = $post; if ( ! current_user_can( 'edit_post', $attachment_id ) ) { continue; } if ( isset( $attachment['post_content'] ) ) { $post['post_content'] = $attachment['post_content']; } if ( isset( $attachment['post_title'] ) ) { $post['post_title'] = $attachment['post_title']; } if ( isset( $attachment['post_excerpt'] ) ) { $post['post_excerpt'] = $attachment['post_excerpt']; } if ( isset( $attachment['menu_order'] ) ) { $post['menu_order'] = $attachment['menu_order']; } if ( isset( $send_id ) && $attachment_id == $send_id ) { if ( isset( $attachment['post_parent'] ) ) { $post['post_parent'] = $attachment['post_parent']; } } /** * Filters the attachment fields to be saved. * * @since 2.5.0 * * @see wp_get_attachment_metadata() * * @param array $post An array of post data. * @param array $attachment An array of attachment metadata. */ $post = apply_filters( 'attachment_fields_to_save', $post, $attachment ); if ( isset( $attachment['image_alt'] ) ) { $image_alt = wp_unslash( $attachment['image_alt'] ); if ( get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ) !== $image_alt ) { $image_alt = wp_strip_all_tags( $image_alt, true ); // update_post_meta() expects slashed. update_post_meta( $attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); } } if ( isset( $post['errors'] ) ) { $errors[ $attachment_id ] = $post['errors']; unset( $post['errors'] ); } if ( $post != $_post ) { wp_update_post( $post ); } foreach ( get_attachment_taxonomies( $post ) as $t ) { if ( isset( $attachment[ $t ] ) ) { wp_set_object_terms( $attachment_id, array_map( 'trim', preg_split( '/,+/', $attachment[ $t ] ) ), $t, false ); } } } } if ( isset( $_POST['insert-gallery'] ) || isset( $_POST['update-gallery'] ) ) { ?> <script type="text/javascript"> var win = window.dialogArguments || opener || parent || top; win.tb_remove(); </script> <?php exit; } if ( isset( $send_id ) ) { $attachment = wp_unslash( $_POST['attachments'][ $send_id ] ); $html = isset( $attachment['post_title'] ) ? $attachment['post_title'] : ''; if ( ! empty( $attachment['url'] ) ) { $rel = ''; if ( str_contains( $attachment['url'], 'attachment_id' ) || get_attachment_link( $send_id ) === $attachment['url'] ) {