3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Create a simple array. $array = array(1, 2, 3, 4, 5); //print_r($array); // Now delete every item, but leave the array itself intact: foreach ($array as $i => $value) { echo "key ".$i.", Value=".$array[$i]; } //print_r($array); ?>
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 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 - 8.2.19, 8.3.0 - 8.3.7
key 0, Value=1key 1, Value=2key 2, Value=3key 3, Value=4key 4, Value=5
preferences:
246.04 ms | 404 KiB | 371 Q