3v4l.org

run code in 300+ PHP versions simultaneously
<?php async function getPage($url) { $fp = fopen($url, 'r'); await $fp; return stream_get_contents($fp); } $pages = await [ getPage('http://php.net'), getPage('http://example.com'), getPage('http://hhvm.com') ];
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected 'function' (T_FUNCTION) in /in/XXbZI on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_FUNCTION in /in/XXbZI on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/XXbZI on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/XXbZI on line 2
Process exited with code 255.

preferences:
211.08 ms | 1395 KiB | 124 Q