@trigger_error(sprintf('Overriding function "%s" that is already registered is deprecated since version 1.30 and won\'t be possible anymore in 2.0.', $name), E_USER_DEPRECATED);
@trigger_error(sprintf('Overriding filter "%s" that is already registered is deprecated since version 1.30 and won\'t be possible anymore in 2.0.', $name), E_USER_DEPRECATED);
if (isset($this->tokenParsers[$parser->getTag()])) {
@trigger_error(sprintf('Overriding tag "%s" that is already registered is deprecated since version 1.30 and won\'t be possible anymore in 2.0.', $parser->getTag()), E_USER_DEPRECATED);
@trigger_error(sprintf('Overriding test "%s" that is already registered is deprecated since version 1.30 and won\'t be possible anymore in 2.0.', $name), E_USER_DEPRECATED);