isostr_len       4332 ext/date/php_date.c 	size_t   isostr_len = 0;
isostr_len       4339 ext/date/php_date.c 			if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "s|l", &isostr, &isostr_len, &options) == FAILURE) {
isostr_len       4351 ext/date/php_date.c 		date_period_initialize(&(dpobj->start), &(dpobj->end), &(dpobj->interval), &recurrences, isostr, isostr_len);