t1_len           3258 ext/standard/string.c 	int t1_len, t2_len;
t1_len           3260 ext/standard/string.c 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|Z", &t1, &t1_len, &t2, &t2_len, &percent) == FAILURE) {
t1_len           3268 ext/standard/string.c 	if (t1_len + t2_len == 0) {
t1_len           3276 ext/standard/string.c 	sim = php_similar_char(t1, t1_len, t2, t2_len);
t1_len           3279 ext/standard/string.c 		Z_DVAL_PP(percent) = sim * 200.0 / (t1_len + t2_len);