3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ "id", "6086220176", "6542925762", "6623113406", "6702782948", ['333', [['444']]] ]; var_export( json_decode( json_encode( $array, JSON_NUMERIC_CHECK ), true ) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 0 => 'id', 1 => 6086220176, 2 => 6542925762, 3 => 6623113406, 4 => 6702782948, 5 => array ( 0 => 333, 1 => array ( 0 => array ( 0 => 444, ), ), ), )
preferences:
88.92 ms | 1294 KiB | 4 Q