3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Source: https://bugs.php.net/bug.php?id=61759 namespace A; class C { function foo() { echo "42\n"; } } namespace B; class_alias('\A\C', '\B\C'); $c = new C; $c->foo();
Output for 5.4.20 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
42
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.19
Fatal error: Class 'B\C' not found in /in/4deOd on line 9
Process exited with code 255.
Output for 5.3.28 - 5.3.29
Fatal error: Class 'B\C' not found in /in/qKicZ on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/4deOd on line 4
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/4deOd on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4deOd on line 4
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_STRING in /in/qKicZ on line 4
Process exited with code 255.