3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ok = (json_decode('{"200":"Status OK:217204"}')); $ok = (array)$ok; var_dump($ok, isset($ok[200]) || isset($ok["200"]));
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(1) { [200]=> string(16) "Status OK:217204" } bool(true)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
array(1) { ["200"]=> string(16) "Status OK:217204" } bool(false)
preferences:
149.85 ms | 402 KiB | 174 Q