3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo($n) { return $n * 3; } $y = foo(5); //$z; // 'declaring' undefined variable w/o error message in PHP // assign absolute value of $y to $z if ($y > 0) $z = $y; else $z = -$y; echo $z;
based on uAQpt
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
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