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Changeset 24878


Ignore:
Timestamp:
07/29/2013 07:06:08 PM (7 years ago)
Author:
markjaquith
Message:

Delete old autosave if new autosave has same content as the post.

Props nacin. Fixes #7392 for trunk.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/wp-admin/includes/post.php

    r24840 r24878  
    13211321        $new_autosave['post_author'] = $post_author;
    13221322
     1323        // If the new autosave is the same content as the post, delete the old autosave.
     1324        $post = get_post( $post_id );
     1325        $autosave_is_different = false;
     1326        foreach ( array_keys( _wp_post_revision_fields() ) as $field ) {
     1327            if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
     1328                $autosave_is_different = true;
     1329                break;
     1330            }
     1331        }
     1332
     1333        if ( ! $autosave_is_different ) {
     1334            wp_delete_post_revision( $old_autosave->ID );
     1335            return;
     1336        }
     1337
    13231338        return wp_update_post( $new_autosave );
    13241339    }
    13251340
    13261341    // _wp_put_post_revision() expects unescaped.
    1327     $_POST = wp_unslash($_POST);
     1342    $post_data = wp_unslash( $_POST );
    13281343
    13291344    // Otherwise create the new autosave as a special post revision
    1330     return _wp_put_post_revision( $_POST, true );
     1345    return _wp_put_post_revision( $post_data, true );
    13311346}
    13321347
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