3v4l.org

run code in 300+ PHP versions simultaneously
<?php $answers = array( 'answer' => array( -1 => array( -1 => 'first', -2 => 'second', ), -2 => array( -3 => 'third' ), ), 'incorrect' => array(), ); foreach ($answers['answer'][-1] as $answer) { echo $answer; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
firstsecond
preferences:
285.85 ms | 406 KiB | 458 Q