In media_buttons(), consult global post_ID if get_post() comes up with nothing.

Default postID to 0 in wp_enqueue_media().

Props nacin
fixes #22085


git-svn-id: https://develop.svn.wordpress.org/trunk@22846 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/includes/media.php

@@ -383,8 +383,12 @@ document.body.className = document.body.className.replace('no-js', 'js');
  * @param string $editor_id
  */
 function media_buttons($editor_id = 'content') {
+	$post = get_post();
+	if ( ! $post && ! empty( $GLOBALS['post_ID'] ) )
+		$post = $GLOBALS['post_ID'];
+
 	wp_enqueue_media( array(
-		'post' => get_post()
+		'post' => $post
 	) );
 
 	// $context = apply_filters('media_buttons_context', __('Upload/Insert %s'));

wp-includes/media.php

@@ -1393,6 +1393,7 @@ function wp_enqueue_media( $args = array() ) {
 		'nonce'     => array(
 			'sendToEditor' => wp_create_nonce( 'media-send-to-editor' ),
 		),
+		'postId'    => 0,
 	);
 
 	$post = null;