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run code in 150+ php & hhvm versions
Bugs & Features
<?php $all_lines = file('http://www.example.com/'); foreach ($all_lines as $line_num => $line) { echo "Line No.-{$line_num}: " . htmlspecialchars($line) . "<br />\n"; } ?>
Output for 5.2.6 - 5.4.38, 5.5.24 - 5.5.32, 5.5.34 - 5.6.17, 5.6.20 - 5.6.28, 7.0.0 - 7.0.3, 7.0.5 - 7.1.0
Warning: file(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/RgBqZ on line 2 Warning: file(http://www.example.com/): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3
Output for 5.4.39 - 5.4.45, 5.5.33, 5.6.18 - 5.6.19, 7.0.4
Warning: file(): php_network_getaddresses: getaddrinfo failed: System error in /in/RgBqZ on line 2 Warning: file(http://www.example.com/): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3
Output for hhvm-3.12.0
Warning: Failed to open http://www.example.com/ (Could not resolve host: www.example.com) in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 6
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.3 - 4.3.4, 4.3.10, 4.4.0 - 4.4.9, 5.0.3 - 5.2.5
Warning: file(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/RgBqZ on line 2 Warning: file(http://www.example.com/): failed to open stream: Connection refused in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3
Output for 4.3.5 - 4.3.9, 5.0.1 - 5.0.2
Warning: file(): php_network_getaddresses: gethostbyname failed in /in/RgBqZ on line 2 Warning: file(http://www.example.com/): failed to open stream: Success in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3
Output for 5.0.0
Warning: file(): php_network_getaddresses: gethostbyname failed in /in/RgBqZ on line 2 Warning: file(http://www.example.com/): failed to open stream: Bad file descriptor in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3
Output for 4.3.11
Warning: file(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/RgBqZ on line 2 Warning: file(http://www.example.com/): failed to open stream: Connection refused in /in/RgBqZ on line 2
Output for 4.3.2
Warning: file(): php_network_getaddresses: getaddrinfo failed: Name or service not known (is your IPV6 configuration correct? If this error happens all the time, try reconfiguring PHP using --disable-ipv6 option to configure) in /in/RgBqZ on line 2 Warning: file(http://www.example.com/): failed to open stream: Connection refused in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3
Output for 4.3.1
Warning: file() [http://www.php.net/function.file]: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/RgBqZ on line 2 Warning: file(http://www.example.com/) [http://www.php.net/function.file]: failed to create stream: Connection refused in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3
Output for 4.3.0
Warning: file() [http://www.php.net/function.file]: php_network_getaddresses: getaddrinfo failed: System error in /in/RgBqZ on line 2 Warning: file(http://www.example.com/) [http://www.php.net/function.file]: failed to create stream: Connection refused in /in/RgBqZ on line 2 Warning: Invalid argument supplied for foreach() in /in/RgBqZ on line 3