3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $testas = array( '0' => '1', '1' => '0', '2' => '1', '3' => '1', '4' => '0', '5' => '1', '6' => '0', '7' => '0', '8' => '0', '9' => '1', ); foreach ($testas as $k => $v) { if ($v == '0') { unset($testas[$k]); } } foreach ($testas as $k => $v) echo $k.' '.$v.' ';
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0 1 2 1 3 1 5 1 9 1