_php_filter_validate_ipv4 617 filter/logical_filters.c if (!_php_filter_validate_ipv4(ipv4, (str_len - (ipv4 - str)), ip4elm)) { _php_filter_validate_ipv4 703 filter/logical_filters.c if (!_php_filter_validate_ipv4(Z_STRVAL_P(value), Z_STRLEN_P(value), ip)) {