3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo implode(array(), "-");
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /in/63h50:2 Stack trace: #0 /in/63h50(2): implode(Array, '-') #1 {main} thrown in /in/63h50 on line 2
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: implode(): Passing glue string after array is deprecated. Swap the parameters in /in/63h50 on line 2
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33

preferences:
205.33 ms | 404 KiB | 384 Q