3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 5; function a($x){ echo $x; } a();
based on X6YjH
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function a(), 0 passed in /in/EsaYj on line 9 and exactly 1 expected in /in/EsaYj:5 Stack trace: #0 /in/EsaYj(9): a() #1 {main} thrown in /in/EsaYj on line 5
Process exited with code 255.
Output for 5.3.21 - 7.0.20
Warning: Missing argument 1 for a(), called in /in/EsaYj on line 9 and defined in /in/EsaYj on line 5 Notice: Undefined variable: x in /in/EsaYj on line 6