allow_len         136 ext/standard/php_string.h PHPAPI size_t php_strip_tags(char *rbuf, size_t len, int *state, const char *allow, size_t allow_len);
allow_len         137 ext/standard/php_string.h PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, int *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces);
allow_len        4684 ext/standard/string.c PHPAPI size_t php_strip_tags(char *rbuf, size_t len, int *stateptr, const char *allow, size_t allow_len) /* {{{ */
allow_len        4686 ext/standard/string.c 	return php_strip_tags_ex(rbuf, len, stateptr, allow, allow_len, 0);
allow_len        4710 ext/standard/string.c PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, int *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces)
allow_len        4730 ext/standard/string.c 		allow_free = zend_str_tolower_dup_ex(allow, allow_len);