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<?php class Identity { private $identity; public function __construct($identiy) { $this->identity = $identiy; } public function getIdentity($value) { $func = $this->identity; return $func($value); } } $identity = new Identity(function ($value){ return "1"; }); echo $identity->getIdentity(1);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
1

preferences:
101.85 ms | 1966 KiB | 4 Q