media_upload_form_handler()
Handles form submissions for the legacy media uploader.
Return
(null|array|void) Array of error messages keyed by attachment ID, null or void on success.
Source
File: wp-admin/includes/media.php
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 = $_post = get_post($attachment_id, ARRAY_A);
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 WP-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 ( $image_alt != get_post_meta($attachment_id, '_wp_attachment_image_alt', true) ) {
$image_alt = wp_strip_all_tags( $image_alt, true );
// Update_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']) ) {
$rel = '';
if ( strpos($attachment['url'], 'attachment_id') || get_attachment_link($send_id) == $attachment['url'] )
$rel = " rel='attachment wp-att-" . esc_attr($send_id) . "'";
$html = "<a href='{$attachment['url']}'$rel>$html</a>";
}
/**
* Filters the HTML markup for a media item sent to the editor.
*
* @since WP-2.5.0
*
* @see wp_get_attachment_metadata()
*
* @param string $html HTML markup for a media item sent to the editor.
* @param int $send_id The first key from the $_POST['send'] data.
* @param array $attachment Array of attachment metadata.
*/
$html = apply_filters( 'media_send_to_editor', $html, $send_id, $attachment );
return media_send_to_editor($html);
}
return $errors;
}
Changelog
Version | Description |
---|---|
2.5.0 | Introduced. |