<?php // Normal constructor abstract class x { function __construct($a) {} } class y extends x { // OK function __construct($b, $c) {} } // abstract constructor abstract class x2 { abstract function __construct($a); } class y2 extends x2 { // KO function __construct($b, $c) {} } // With interface interface i3 { abstract function __construct($a); } class y3 implements i3 { // KO function __construct($b, $c) {} }
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