3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hidden = [ 'apples' => 19, 'eggs' => 7, 'grapes' => 144, 'mushrooms' => 3, 'oranges' => 16 ]; $list = ['grapes', 'apples', 'eggs', 'oranges']; foreach ($list as $item) { if (isset($hidden[$item])) { $result[] = $hidden[$item]; } } var_export($result);
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => 144, 1 => 19, 2 => 7, 3 => 16, )
preferences:
109.87 ms | 407 KiB | 5 Q