Ticket #17128: 17128.patch

wp-includes/pomo/entry.php

@@ -61 +61 @@
          * @return string|bool the key or false if the entry is empty
          */
         function key() {
-                if (is_null($this->singular)) return false;
+                if ( null === $this->singular ) return false;
                 // prepend context and EOT, like in MO files
-                return is_null($this->context)? $this->singular : $this->context.chr(4).$this->singular;
+                return ( null === $this->context ) ? $this->singular : $this->context . chr(4) . $this->singular;
         }
         
         function merge_with(&$other) {