media_upload_form_handler

Source code

function media_upload_form_handler() {

	check_admin_referer('media-form');



	$errors = null;



	if ( isset($_POST['send']) ) {

		$keys = array_keys($_POST['send']);

		$send_id = (int) array_shift($keys);

	}



	if ( !empty($_POST['attachments']) ) foreach ( $_POST['attachments'] as $attachment_id => $attachment ) {

		$post = $_post = get_post($attachment_id, ARRAY_A);

		$post_type_object = get_post_type_object( $post[ 'post_type' ] );



		if ( !current_user_can( $post_type_object->cap->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'];

		}



		$post = apply_filters('attachment_fields_to_save', $post, $attachment);



		if ( isset($attachment['image_alt']) ) {

			$image_alt = get_post_meta($attachment_id, '_wp_attachment_image_alt', true);

			if ( $image_alt != stripslashes($attachment['image_alt']) ) {

				$image_alt = wp_strip_all_tags( stripslashes($attachment['image_alt']), true );

				// update_meta expects slashed

				update_post_meta( $attachment_id, '_wp_attachment_image_alt', addslashes($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">

		/* <![CDATA[ */

		var win = window.dialogArguments || opener || parent || top;

		win.tb_remove();

		/* ]]> */

		</script>

		<?php

		exit;

	}



	if ( isset($send_id) ) {

		$attachment = stripslashes_deep( $_POST['attachments'][$send_id] );



		$html = $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>";

		}



		$html = apply_filters('media_send_to_editor', $html, $send_id, $attachment);

		return media_send_to_editor($html);

	}