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<?php // $username = "hello"; $name = $firstName ?? $username ?? $placeholder ?? $test ?? $vidu ?? "ví dụ ra cái này nếu trước nó NULL"; echo $name; // class number { public $a= 10; public $b=20; private $c=30; } $numbers = new number(); foreach($numbers as $var => $value) { echo "$value "; }
Output for git.master, git.master_jit, rfc.property-hooks
ví dụ ra cái này nếu trước nó NULL10 20

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