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<?php class Calculator { public function calc($v) { return $v + 1; } } class MyCalculator extends Calculator { public function calc($v1, $v2 = 0) { return parent::calc($v1) + $v2; } } function calcArray(array $values, Calculator $calculator) { foreach ($values as &$v) { $v = $calculator->calc($v, $v); // Second aregument is wrong !! } return $values; } $ar = [1,2,3]; var_dump(calcArray($ar, new Calculator)); // ignores the second argument var_dump(calcArray($ar, new MyCalculator)); // UNEXPECTED: the second argument will be used
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(2) [1]=> int(3) [2]=> int(4) } array(3) { [0]=> int(3) [1]=> int(5) [2]=> int(7) }

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