3v4l.org

run code in 500+ PHP versions simultaneously
<?php $ids = array(0=> array( "id"=>"472" ), 1=> array( "id"=>"475" ), 26=> array( "id"=>"498" )); $keys = array_keys($ids); For($i=0; $i<count($keys); $i++){ Echo $ids[$keys[$i]]["id"] ."\n"; }
Output for 7.0.0 - 7.0.25, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
472 475 498
preferences:
81.61 ms | 1513 KiB | 4 Q