3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { function x(ArrayObject $x){} } class B extends A { function x(ArrayObject $x = NULL){} }
Output for 5.3.0 - 7.2.0
Output for 5.0.0 - 5.2.17
Strict Standards: Declaration of B::x() should be compatible with that of A::x() in /in/3u6CB on line 11
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/3u6CB on line 5
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, expecting ')' in /in/3u6CB on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/3u6CB on line 5
Process exited with code 255.