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<?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 $test->f2('a'); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of testChild::f2($a) must be compatible with testParent::f2() in /in/WXgkZ on line 16
Process exited with code 255.

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