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<?php declare(strict_types=1); class Foo { private $x; public function setX($x) : Foo { $this->x = $x; return $this; } public function getX() { return $this->x; } } function test($class) { if (class_exists($class)) { return new $class(); } return null; } $x = test('Fo')->setX('test'); var_dump($x->getX());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to a member function setX() on null in /in/pGNnT:29 Stack trace: #0 {main} thrown in /in/pGNnT on line 29
Process exited with code 255.

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