Changeset 23415

Timestamp:

02/14/2013 04:45:43 PM (12 years ago)

Author:

westi

Message:

Revisions: Allow a plugin to force us to skip the don't save this revision because it hasn't changed code if it knows better.

See #7392 and #9843. Also cleans up the whitespace.

File:

• trunk/wp-includes/post.php (modified) (1 diff)

trunk/wp-includes/post.php

@@ -4948 +4948 @@
         return;
 
-    // if new data is supplied, check that it is different from last saved revision
-    if( is_array( $new_data ) ) {
+    // if new data is supplied, check that it is different from last saved revision, unless a plugin tells us to always save regardless
+    if ( apply_filters( 'wp_save_post_revision_check_for_changes', true, $post, $new_data ) && is_array( $new_data ) ) {
         $post_has_changed = false;
-        foreach( array_keys( _wp_post_revision_fields() ) as $field ) {
-            if( normalize_whitespace( $new_data[ $field ] ) != normalize_whitespace( $post[ $field ] ) ) {
+        foreach ( array_keys( _wp_post_revision_fields() ) as $field ) {
+            if ( normalize_whitespace( $new_data[ $field ] ) != normalize_whitespace( $post[ $field ] ) ) {
                 $post_has_changed = true;
                 break;