3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function a($a) { echo "a [" . $a . "]"; } a(); a("123"); ?>
Output for 7.1.0 - 7.3.0rc4
Fatal error: Uncaught ArgumentCountError: Too few arguments to function a(), 0 passed in /in/RXZXZ on line 8 and exactly 1 expected in /in/RXZXZ:3 Stack trace: #0 /in/RXZXZ(8): a() #1 {main} thrown in /in/RXZXZ on line 3
Process exited with code 255.
Output for 5.1.0 - 7.0.20
Warning: Missing argument 1 for a(), called in /in/RXZXZ on line 8 and defined in /in/RXZXZ on line 3 Notice: Undefined variable: a in /in/RXZXZ on line 5 a []a [123]
Output for 4.3.0 - 5.0.5
Warning: Missing argument 1 for a() in /in/RXZXZ on line 3 a []a [123]