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<?php class Testi { public $temp; function __construct(string $testi){ $this->temp = $testi; } } $testiA = new Testi('A'); $testiB = new $testiA('B'); var_dump($testiA === $testiB);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(false)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to Testi::__construct() must be an instance of string, string given, called in /in/NqPlO on line 11 and defined in /in/NqPlO on line 5
Process exited with code 255.

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