3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class testParent { public function f1() { echo 1; } public function f2() { echo 2; } } class testChild extends testParent{ public function f2($a) { //overriding function f2 echo $a; } } $test = new testChild(); echo $test->f2('a'); ?>
Output for 7.0.0 - 7.1.0
Warning: Declaration of testChild::f2($a) should be compatible with testParent::f2() in /in/WXgkZ on line 20 a
Output for hhvm-3.10.0 - 3.12.0
a
Output for 5.4.0 - 5.6.28
Strict Standards: Declaration of testChild::f2() should be compatible with testParent::f2() in /in/WXgkZ on line 20 a
Output for 5.0.0 - 5.3.29
Strict Standards: Declaration of testChild::f2() should be compatible with that of testParent::f2() in /in/WXgkZ on line 20 a
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/WXgkZ on line 4
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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/WXgkZ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/WXgkZ on line 4
Process exited with code 255.