cast to array when checking for old post slugs. fixes #3202
git-svn-id: https://develop.svn.wordpress.org/trunk@4571 602fd350-edb4-49c9-b593-d223f7449a82
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@ -2084,7 +2084,7 @@ function wp_check_for_changed_slugs($post_id) {
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if ( $post->post_name == $_POST['wp-old-slug'] )
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return $post_id;
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$old_slugs = get_post_meta($post_id, '_wp_old_slug');
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$old_slugs = (array) get_post_meta($post_id, '_wp_old_slug');
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// if we haven't added this old slug before, add it now
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if ( !count($old_slugs) || !in_array($_POST['wp-old-slug'], $old_slugs) )
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