3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = 1; $b = $a['c'] ?? 'b'; $b = $a->c ?? 'b'; $a = []; $b = $a->f ?? 'b'; $a = new stdclass(); $b = $a['f'] ?? 'b';
Output for 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
Fatal error: Uncaught Error: Cannot use object of type stdClass as array in /in/piqCB:11 Stack trace: #0 {main} thrown in /in/piqCB on line 11
Process exited with code 255.
preferences:
42.59 ms | 878 KiB | 4 Q