3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ohHello($a, $b) { return $a + $b; } ohHello();
Output for 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 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught ArgumentCountError: Too few arguments to function ohHello(), 0 passed in /in/UV71m on line 8 and exactly 2 expected in /in/UV71m:3 Stack trace: #0 /in/UV71m(8): ohHello() #1 {main} thrown in /in/UV71m on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Missing argument 1 for ohHello(), called in /in/UV71m on line 8 and defined in /in/UV71m on line 3 Warning: Missing argument 2 for ohHello(), called in /in/UV71m on line 8 and defined in /in/UV71m on line 3 Notice: Undefined variable: a in /in/UV71m on line 5 Notice: Undefined variable: b in /in/UV71m on line 5
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Warning: Missing argument 1 for ohHello(), called in /in/UV71m on line 8 and defined in /in/UV71m on line 3 Warning: Missing argument 2 for ohHello(), called in /in/UV71m on line 8 and defined in /in/UV71m on line 3 Notice: Undefined variable: b in /in/UV71m on line 5 Notice: Undefined variable: a in /in/UV71m on line 5

preferences:
205.99 ms | 403 KiB | 246 Q