FILTER_VALIDATE_BOOLEAN   43 ext/filter/filter.c 	{ "boolean",         FILTER_VALIDATE_BOOLEAN,       php_filter_boolean         },
FILTER_VALIDATE_BOOLEAN  230 ext/filter/filter.c 	REGISTER_LONG_CONSTANT("FILTER_VALIDATE_BOOLEAN", FILTER_VALIDATE_BOOLEAN, CONST_CS | CONST_PERSISTENT);