if ( !file_put_contents( $this->cachePath(), $text, LOCK_EX ) ) {
wfDebug( __METHOD__ . "() failed saving " . $this->cachePath() . "\n" );
$this->mCached = null;
if ( !file_put_contents( $this->cachePath(), $text, LOCK_EX ) ) {
wfDebug( __METHOD__ . "() failed saving " . $this->cachePath() . "\n" );
$this->mCached = null;