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<?php class foo { private $x = 1; private $y = 2; } $array = new foo; vprintf('%s < %s',$array);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: vprintf(): Argument #2 ($values) must be of type array, foo given in /in/rXPtL:11 Stack trace: #0 /in/rXPtL(11): vprintf('%s < %s', Object(foo)) #1 {main} thrown in /in/rXPtL on line 11
Process exited with code 255.

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