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<?php class A { } class B extends A { } $a = new A(); $b = new B(); var_dump($a); var_dump($a instanceof A); var_dump($a instanceof B); var_dump($b); var_dump($b instanceof A); var_dump($b instanceof B);
Output for git.master, git.master_jit, rfc.property-hooks
object(A)#1 (0) { } bool(true) bool(false) object(B)#2 (0) { } bool(true) bool(true)

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