3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo array_shift(array(1,2,3,4,5));
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: array_shift(): Argument #1 ($array) could not be passed by reference in /in/YKRdu:2 Stack trace: #0 {main} thrown in /in/YKRdu on line 2
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18
Fatal error: Uncaught Error: array_shift(): Argument #1 ($array) cannot be passed by reference in /in/YKRdu:2 Stack trace: #0 {main} thrown in /in/YKRdu on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.27, 7.1.0 - 7.1.14, 7.2.0 - 7.2.2
Fatal error: Only variables can be passed by reference in /in/YKRdu on line 2
Process exited with code 255.
preferences:
165.38 ms | 403 KiB | 217 Q