3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface i1 { public function f1(array $x = array(), stdClass $b); } class c1 implements i1 { public function f1(array $x = array(), stdClass $q = null) { echo __CLASS__ . PHP_EOL; } } $x = new c1();
based on H9GaR
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0 - 5.2.17
Fatal error: Declaration of c1::f1() must be compatible with that of i1::f1() in /in/t8Jr2 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/t8Jr2 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/t8Jr2 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/t8Jr2 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/t8Jr2 on line 2
Process exited with code 255.