3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = false; $a = fopen('http://example.org', 'r'); array_key_exists($a, get_defined_vars()); array($$a); fclose($a);
Output for 5.3.29, 5.4.27 - 5.4.40, 5.5.24 - 5.5.32, 5.5.34 - 5.6.17, 5.6.20 - 7.0.3, 7.0.5 - 7.1.0
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/GaKVB on line 6
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.26, 5.4.41 - 5.4.45, 5.5.33, 5.6.18 - 5.6.19, 7.0.4
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/GaKVB on line 6
Output for 5.2.6 - 5.2.17
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose(): supplied argument is not a valid stream resource in /in/GaKVB on line 6
Output for 5.0.4 - 5.2.5
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: Connection refused in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose(): supplied argument is not a valid stream resource in /in/GaKVB on line 6
Output for 4.3.3 - 4.3.4, 4.3.10 - 4.4.9, 5.0.3
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: Connection refused in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose(): supplied argument is not a valid stream resource in /in/GaKVB on line 6
Output for 4.3.5 - 4.3.9, 5.0.1 - 5.0.2
Warning: fopen(): php_network_getaddresses: gethostbyname failed in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: Resource temporarily unavailable in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose(): supplied argument is not a valid stream resource in /in/GaKVB on line 6
Output for 5.0.0
Warning: fopen(): php_network_getaddresses: gethostbyname failed in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: Bad file descriptor in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose(): supplied argument is not a valid stream resource in /in/GaKVB on line 6
Output for 4.3.2
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error (is your IPV6 configuration correct? If this error happens all the time, try reconfiguring PHP using --disable-ipv6 option to configure) in /in/GaKVB on line 3 Warning: fopen(http://example.org): failed to open stream: Connection refused in /in/GaKVB on line 3 Warning: array_key_exists(): The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose(): supplied argument is not a valid stream resource in /in/GaKVB on line 6
Output for 4.3.0 - 4.3.1
Warning: fopen() [http://www.php.net/function.fopen]: php_network_getaddresses: getaddrinfo failed: System error in /in/GaKVB on line 3 Warning: fopen(http://example.org) [http://www.php.net/function.fopen]: failed to create stream: Connection refused in /in/GaKVB on line 3 Warning: array_key_exists() [http://www.php.net/function.array-key-exists]: The first argument should be either a string or an integer in /in/GaKVB on line 4 Notice: Undefined variable: in /in/GaKVB on line 5 Warning: fclose(): supplied argument is not a valid stream resource in /in/GaKVB on line 6