php_str_to_str_i_ex 4051 ext/standard/string.c 					tmp_result = php_str_to_str_i_ex(Z_STR_P(result), ZSTR_VAL(lc_subject_str),
php_str_to_str_i_ex 4097 ext/standard/string.c 				ZVAL_STR(result, php_str_to_str_i_ex(subject_str, ZSTR_VAL(lc_subject_str),