php_session_valid_key  172 ext/session/mod_files.c 		if (php_session_valid_key(key) == FAILURE) {
php_session_valid_key  277 ext/session/php_session.h PHPAPI int php_session_valid_key(const char *key);
php_session_valid_key 2140 ext/session/session.c 		if (php_session_valid_key(ZSTR_VAL(prefix)) == FAILURE) {