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<?php // Everything you enter here will be executed by our servers. Try it! //error_reporting(E_ALL); class Aa { public function __construct($x) { } public function x($a) { $a = $b; } } class Bb extends Aa { public function __construct($x, $y) { } public function x($a, $b) { return parent::x($a); } } $b = new Bb(0, 0); $b->x(1, 2);

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