3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr[] = 1; var_dump(strcmp('Array',$arr));
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: strcmp(): Argument #2 ($string2) must be of type string, array given in /in/iU4D9:5 Stack trace: #0 /in/iU4D9(5): strcmp('Array', Array) #1 {main} thrown in /in/iU4D9 on line 5
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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: strcmp() expects parameter 2 to be string, array given in /in/iU4D9 on line 5 NULL
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
Notice: Array to string conversion in /in/iU4D9 on line 5 int(0)

preferences:
312.56 ms | 402 KiB | 465 Q