3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('abcd', 'df43', 'asdfsa'); foreach ($a as $val) { if ($val == '' || $val == 0) { echo "$val".PHP_EOL; } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
abcd df43 asdfsa
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/SOSXS on line 7 abcdPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/SOSXS on line 7 df43PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/SOSXS on line 7 asdfsaPHP_EOL
preferences:
305.83 ms | 402 KiB | 460 Q