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<?php class A{ public function __construct($b) { if($b) return new B(); } public function doSomething() { echo 'A class."\n"'; } } class B{ public function __construct() { echo 'buidling B'."\n"; } public function doSomething() { echo 'B class."\n"'; } } $c = new A(true); var_dump($c); $c->doSomething(); $d = $c->__construct(true); var_dump($d);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
buidling B object(A)#1 (0) { } A class."\n"buidling B object(B)#2 (0) { }

preferences:
280.34 ms | 404 KiB | 373 Q