Include fourth array parameter in return value doc block for `wp_get_attachment_image_src()`.

Props kadamwhite.
Fixes #33905.

Built from https://develop.svn.wordpress.org/trunk@34470


git-svn-id: http://core.svn.wordpress.org/trunk@34434 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/media.php

@@ -692,13 +692,18 @@ function get_intermediate_image_sizes() {
  *
  * A mime icon for files, thumbnail or intermediate size for images.
  *
+ * The returned array contains four values: the URL of the attachment image src,
+ * the width of the image file, the height of the image file, and a boolean
+ * representing whether the returned array describes an intermediate (generated)
+ * image size or the original, full-sized upload.
+ *
  * @since 2.5.0
  *
  * @param int          $attachment_id Image attachment ID.
  * @param string|array $size          Optional. Registered image size to retrieve the source for or a flat
  *                                    array of height and width dimensions. Default 'thumbnail'.
  * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
- * @return false|array Returns an array (url, width, height), or false, if no image is available.
+ * @return false|array Returns an array (url, width, height, is_intermediate), or false, if no image is available.
  */
 function wp_get_attachment_image_src( $attachment_id, $size = 'thumbnail', $icon = false ) {
 	// get a thumbnail or intermediate image if there is one

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34469';
+$wp_version = '4.4-alpha-34470';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.