Ticket #21555: 21555.diff

Index: wp-admin/includes/image.php
===================================================================
--- wp-admin/includes/image.php (revision 21499)
+++ wp-admin/includes/image.php (working copy)
@@ -7,27 +7,6 @@
  */
 
 /**
- * Create a thumbnail from an Image given a maximum side size.
- *
- * This function can handle most image file formats which PHP supports. If PHP
- * does not have the functionality to save in a file of the same format, the
- * thumbnail will be created as a jpeg.
- *
- * @since 1.2.0
- *
- * @param mixed $file Filename of the original image, Or attachment id.
- * @param int $max_side Maximum length of a single side for the thumbnail.
- * @param mixed $deprecated Never used.
- * @return string Thumbnail path on success, Error string on failure.
- */
-function wp_create_thumbnail( $file, $max_side, $deprecated = '' ) {
-       if ( !empty( $deprecated ) )
-               _deprecated_argument( __FUNCTION__, '1.2' );
-       $thumbpath = image_resize( $file, $max_side, $max_side );
-       return apply_filters( 'wp_create_thumbnail', $thumbpath );
-}
-
-/**
  * Crop an Image to a given size.
  *
  * @since 2.1.0
Index: wp-admin/includes/deprecated.php
===================================================================
--- wp-admin/includes/deprecated.php    (revision 21499)
+++ wp-admin/includes/deprecated.php    (working copy)
@@ -958,3 +958,23 @@
 function _media_button($title, $icon, $type, $id) {
        _deprecated_function( __FUNCTION__, '3.5' );
 }
+
+/**
+ * This was once used to create a thumbnail from an Image given a maximum side size.
+ *
+ * This function can handle most image file formats which PHP supports. If PHP
+ * does not have the functionality to save in a file of the same format, the
+ * thumbnail will be created as a jpeg.
+ *
+ * @since 1.2.0
+ * @deprecated 3.5.0
+ *
+ * @param mixed $file Filename of the original image, Or attachment id.
+ * @param int $max_side Maximum length of a single side for the thumbnail.
+ * @param mixed $deprecated Never used.
+ * @return string Thumbnail path on success, Error string on failure.
+ */
+function wp_create_thumbnail( $file, $max_side, $deprecated = '' ) {
+       _deprecated_function( __FUNCTION__, '3.5', 'image_resize' );
+       return apply_filters( 'wp_create_thumbnail', image_resize( $file, $max_side, $max_side ) );
+}