3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fp = fsockopen("www.baidu.com", 80, $errno, $errstr, 30); if (!$fp) die('error fsockopen'); stream_set_blocking($fp,0); $http = "GET /save.php / HTTP/1.1\r\n"; $http .= "Host: www.baidu.com\r\n"; $http .= "Connection: Close\r\n\r\n"; fwrite($fp,$http); fclose($fp); ?>
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: fsockopen(): php_network_getaddresses: getaddrinfo for www.baidu.com failed: System error in /in/qQv2n on line 3 Warning: fsockopen(): Unable to connect to www.baidu.com:80 (php_network_getaddresses: getaddrinfo for www.baidu.com failed: System error) in /in/qQv2n on line 3 error fsockopen
Output for 8.0.13 - 8.0.30
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/qQv2n on line 3 Warning: fsockopen(): Unable to connect to www.baidu.com:80 (php_network_getaddresses: getaddrinfo failed: System error) in /in/qQv2n on line 3 error fsockopen
Output for 8.0.0 - 8.0.12
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/qQv2n on line 3 Warning: fsockopen(): Unable to connect to www.baidu.com:80 (php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution) in /in/qQv2n on line 3 error fsockopen
Output for 5.5.33, 5.6.18 - 5.6.19, 7.0.4, 7.0.20, 7.1.5 - 7.1.20, 7.2.6 - 7.2.8, 7.3.32 - 7.3.33, 7.4.0, 7.4.26 - 7.4.33
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/qQv2n on line 3 Warning: fsockopen(): unable to connect to www.baidu.com:80 (php_network_getaddresses: getaddrinfo failed: System error) in /in/qQv2n on line 3 error fsockopen
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.25
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/qQv2n on line 3 Warning: fsockopen(): unable to connect to www.baidu.com:80 (php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution) in /in/qQv2n on line 3 error fsockopen
Output for 5.5.24 - 5.5.32, 5.5.34 - 5.5.35, 5.6.8 - 5.6.17, 5.6.20 - 5.6.28, 7.0.0 - 7.0.3, 7.0.5 - 7.0.6, 7.1.0
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/qQv2n on line 3 Warning: fsockopen(): unable to connect to www.baidu.com:80 (php_network_getaddresses: getaddrinfo failed: Name or service not known) in /in/qQv2n on line 3 error fsockopen

preferences:
178.09 ms | 406 KiB | 180 Q