3v4l.org

run code in 300+ PHP versions simultaneously
<?php // I just killed one unicorn. [*] $_POST = array(); foreach ( range(1, 99) as $index ) { $_POST[ 'a'. $index ] = $index; } // ================================== $postObject = new ArrayObject($_POST); $find = "18"; $finded = $postObject->offsetExists("a$find"); var_dump($finded);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true)
preferences:
209.85 ms | 404 KiB | 244 Q