3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testURL = "http://validator.w3.org/check?uri=tuhaf.net/"; $headers = get_headers($testURL, 1); //echo $headers; var_dump($headers); ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: get_headers(): php_network_getaddresses: getaddrinfo for validator.w3.org failed: System error in /in/Xo2F6 on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): Failed to open stream: php_network_getaddresses: getaddrinfo for validator.w3.org failed: System error in /in/Xo2F6 on line 4 bool(false)
Output for 8.0.13 - 8.0.30
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: System error in /in/Xo2F6 on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): Failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/Xo2F6 on line 4 bool(false)
Output for 8.0.0 - 8.0.12
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/Xo2F6 on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): Failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/Xo2F6 on line 4 bool(false)
Output for 5.4.39 - 5.4.45, 5.5.33, 5.6.18 - 5.6.19, 7.0.4, 7.0.20, 7.1.5 - 7.1.33, 7.2.0 - 7.2.24, 7.3.0 - 7.3.12, 7.3.32 - 7.3.33, 7.4.0, 7.4.26 - 7.4.33
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: System error in /in/Xo2F6 on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/Xo2F6 on line 4 bool(false)
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.25
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/Xo2F6 on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/Xo2F6 on line 4 bool(false)
Output for 5.3.28 - 5.3.29, 5.4.20 - 5.4.38, 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 - 7.0.14, 7.1.0
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/Xo2F6 on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/Xo2F6 on line 4 bool(false)
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.27, 5.4.0 - 5.4.19
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: System error in /in/rtQIm on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/rtQIm on line 4 bool(false)
Output for 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: System error in /in/rtQIm on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): failed to open stream: Connection refused in /in/rtQIm on line 4 bool(false)
Output for 5.0.1 - 5.0.2
Warning: get_headers(): php_network_getaddresses: gethostbyname failed in /in/rtQIm on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): failed to open stream: Resource temporarily unavailable in /in/rtQIm on line 4 bool(false)
Output for 5.0.0
Warning: get_headers(): php_network_getaddresses: gethostbyname failed in /in/rtQIm on line 4 Warning: get_headers(http://validator.w3.org/check?uri=tuhaf.net/): failed to open stream: Bad file descriptor in /in/rtQIm on line 4 bool(false)
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: get_headers() in /in/rtQIm on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: get_headers() in /in/rtQIm on line 4
Process exited with code 255.
Output for 4.3.1
Fatal error: Call to undefined function: get_headers() in /in/rtQIm on line 4
Output for 4.3.0
Fatal error: Call to undefined function: get_headers() in /in/Xo2F6 on line 4

preferences:
258.46 ms | 401 KiB | 358 Q