3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class x { function z($a){} } class y extends x { function z(array $a){var_dump($a);} } $y = new y; $y->z([]);
Output for 7.0.0 - 7.1.0
Warning: Declaration of y::z(array $a) should be compatible with x::z($a) in /in/1KJi0 on line 11 array(0) { }
Output for hhvm-3.10.0 - 3.12.0
array(0) { }
Output for 5.4.0 - 5.6.28
Strict Standards: Declaration of y::z() should be compatible with x::z($a) in /in/1KJi0 on line 11 array(0) { }
Output for 5.1.0 - 5.3.29
Strict Standards: Declaration of y::z() should be compatible with that of x::z() in /in/1KJi0 on line 11 Parse error: syntax error, unexpected '[', expecting ')' in /in/1KJi0 on line 14
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/1KJi0 on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/1KJi0 on line 10
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_ARRAY, expecting ')' in /in/1KJi0 on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/1KJi0 on line 10
Process exited with code 255.