3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mylocal = array(['language'=>'english', 'language'=>'french', 'language'=>'dutch']); foreach ($mylocal as $key => $value) { if ($value["language"] != "english" && $value["language"] != "spanish" && $value["language"] != "dutch") { unset($mylocal[$key]); } } var_dump($mylocal);
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 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 - 8.3.7
array(1) { [0]=> array(1) { ["language"]=> string(5) "dutch" } }
preferences:
186.55 ms | 404 KiB | 220 Q