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<?php function get_http_response_code($url) { $headers = get_headers($url); // echo substr($headers[0], 9, 3); $headers = substr($headers[0], 9, 3); // $headers = "bla"; // setting headers to bla works then $b = bla; var_dump($headers); //returns string 3 (404) return $headers; } $b = get_http_response_code('http://noneexisting.com/blabla.html'); var_dump($b);
Output for 8.3.0 - 8.3.6
Warning: get_headers(): php_network_getaddresses: getaddrinfo for noneexisting.com failed: System error in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): Failed to open stream: php_network_getaddresses: getaddrinfo for noneexisting.com failed: System error in /in/aup20 on line 4 Warning: Trying to access array offset on false in /in/aup20 on line 6 Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /in/aup20 on line 6 string(0) "" string(0) ""
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: get_headers(): php_network_getaddresses: getaddrinfo for noneexisting.com failed: System error in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): Failed to open stream: php_network_getaddresses: getaddrinfo for noneexisting.com failed: System error in /in/aup20 on line 4 Warning: Trying to access array offset on value of type bool in /in/aup20 on line 6 Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /in/aup20 on line 6 string(0) "" string(0) ""
Output for 8.0.13 - 8.0.30
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: System error in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): Failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/aup20 on line 4 Warning: Trying to access array offset on value of type bool in /in/aup20 on line 6 string(0) "" string(0) ""
Output for 8.0.0 - 8.0.12
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): Failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/aup20 on line 4 Warning: Trying to access array offset on value of type bool in /in/aup20 on line 6 string(0) "" string(0) ""
Output for 7.4.0, 7.4.27 - 7.4.33
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: System error in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/aup20 on line 4 Notice: Trying to access array offset on value of type bool in /in/aup20 on line 6 bool(false) bool(false)
Output for 7.0.20, 7.1.5 - 7.1.20, 7.2.6, 7.3.12, 7.3.32 - 7.3.33, 7.4.26
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: System error in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/aup20 on line 4 bool(false) bool(false)
Output for 7.4.3 - 7.4.25
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/aup20 on line 4 Notice: Trying to access array offset on value of type bool in /in/aup20 on line 6 bool(false) bool(false)
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/aup20 on line 4 bool(false) bool(false)
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.14, 7.1.0
Warning: get_headers(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/aup20 on line 4 bool(false) 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: Name or service not known in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: Connection refused in /in/aup20 on line 4 bool(false) bool(false)
Output for 5.0.1 - 5.0.2
Warning: get_headers(): php_network_getaddresses: gethostbyname failed in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: Success in /in/aup20 on line 4 bool(false) bool(false)
Output for 5.0.0
Warning: get_headers(): php_network_getaddresses: gethostbyname failed in /in/aup20 on line 4 Warning: get_headers(http://noneexisting.com/blabla.html): failed to open stream: Bad file descriptor in /in/aup20 on line 4 bool(false) bool(false)
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: get_headers() in /in/aup20 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/aup20 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: get_headers() in /in/aup20 on line 4

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