len_zv           1998 ext/standard/file.c 		zval *fd, *len_zv = NULL;
len_zv           2007 ext/standard/file.c 			&fd, &len_zv, &delimiter_str, &delimiter_str_len,
len_zv           2050 ext/standard/file.c 		if (len_zv != NULL && Z_TYPE_P(len_zv) != IS_NULL) {
len_zv           2051 ext/standard/file.c 			len = zval_get_long(len_zv);