3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $f = function ($p, $w) use (&$f) { return ($w) ? $p = $f($p + 0.25, $w - 1) : $p; }; foreach (explode(' ', '4 40 10 100 1') as $p) { echo $f($p, 5) . '<br>' . PHP_EOL; }
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
5.25<br> 41.25<br> 11.25<br> 101.25<br> 2.25<br>
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/Z2L0o on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/Z2L0o</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/Z2L0o</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/Z2L0o</b> on line <b>3</b><br />
Process exited with code 255.