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<?php class A { const MY_CONST = 'This is my const'; } class B { private $property; public function __construct(A $a) { $this->property = $a; echo $a::MY_CONST."<br />"; // works (1) echo A::MY_CONST."<br />"; // works (2) $obj = $this->property; echo $obj::MY_CONST."<br />"; // works (3) echo $this->{'property'}::MY_CONST; // doesn't work (4) } } $b = new B(new A);
Output for git.master, git.master_jit, rfc.property-hooks
This is my const<br />This is my const<br />This is my const<br />This is my const

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