3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(1, 2, 3, 4, 5); $len=count($x); echo "array[$len] {"; foreach($x as $key=>$int) echo "[$key] => int[$int]"; echo "}"; unset($x[3]); $x = array_values($x); echo "\n"; $len=count($x); echo "array[$len] {"; foreach($x as $key=>$int) echo "[$key] => int[$int]"; echo "}"; ?>
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
array[5] {[0] => int[1][1] => int[2][2] => int[3][3] => int[4][4] => int[5]} array[4] {[0] => int[1][1] => int[2][2] => int[3][3] => int[5]}
preferences:
237.2 ms | 406 KiB | 329 Q