Ticket #24908: 24908.diff

wp-includes/wp-diff.php

@@ -154 +154 @@
                 $r = '';
                 foreach ($lines as $line) {
                         if ( $encode )
-                                $line = htmlspecialchars( $line );
+                                $line = apply_filters( 'process_revision_diff_html', htmlspecialchars( $line ), $line );
                         if ( $this->_show_split_view ) {
                                 $r .= '<tr>' . $this->emptyLine() . $this->emptyLine() . $this->addedLine( $line ) . "</tr>\n";
                         } else {
@@ -176 +176 @@
                 $r = '';
                 foreach ($lines as $line) {
                         if ( $encode )
-                                $line = htmlspecialchars( $line );
+                                $line = apply_filters( 'process_revision_diff_html', htmlspecialchars( $line ), $line );
                         if ( $this->_show_split_view ) {
                                 $r .= '<tr>' . $this->deletedLine( $line ) . $this->emptyLine() . $this->emptyLine() . "</tr>\n";
                         } else {
@@ -199 +199 @@
                 $r = '';
                 foreach ($lines as $line) {
                         if ( $encode )
-                                $line = htmlspecialchars( $line );
+                                $line = apply_filters( 'process_revision_diff_html', htmlspecialchars( $line ), $line );
                         if (  $this->_show_split_view ) {
                                 $r .= '<tr>' . $this->contextLine( $line ) . $this->emptyLine() . $this->contextLine( $line )  . "</tr>\n";
                         } else {

wp-admin/includes/revision.php

@@ -58 +58 @@
                 $content_from = $compare_from ? apply_filters( "_wp_post_revision_field_$field", $compare_from->$field, $field, $compare_from, 'from' ) : '';
                 $content_to = apply_filters( "_wp_post_revision_field_$field", $compare_to->$field, $field, $compare_to, 'to' );
 
-                $diff = wp_text_diff( $content_from, $content_to, array( 'show_split_view' => true ) );
+                $show_split_view = apply_filters( 'show_revisions_split_view', true );
+                $diff = wp_text_diff( $content_from, $content_to, array( 'show_split_view' => $show_split_view ) );
 
                 if ( ! $diff && 'post_title' === $field ) {
                         // It's a better user experience to still show the Title, even if it didn't change.