return self::METADATA_BAD;
}
if ( !isset( $data['metadata']['_MW_PNG_VERSION'] )
|| $data['metadata']['_MW_PNG_VERSION'] != PNGMetadataExtractor::VERSION ) {
return self::METADATA_BAD;
}
if ( !isset( $data['metadata']['_MW_PNG_VERSION'] )
|| $data['metadata']['_MW_PNG_VERSION'] != PNGMetadataExtractor::VERSION ) {