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Custom CSS: fix a PHP notice #6154

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Jan 31, 2017
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5 changes: 5 additions & 0 deletions modules/custom-css/custom-css-4.7.php
Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,11 @@ public static function customizer_redirect() {
* @return array $fields Modified array to include post_content_filtered.
*/
public static function _wp_post_revision_fields( $fields, $post ) {
// None of the fields in $post are required to be passed in this filter.
if ( ! isset( $post['post_type'], $post['ID'] ) ) {
return $fields;
}

// If we're passed in a revision, go get the main post instead.
if ( 'revision' === $post['post_type'] ) {
$main_post_id = wp_is_post_revision( $post['ID'] );
Expand Down