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<?php class Foo { protected $callback; public function __construct() { $this->callback = function (Exception $e) { var_dump($e); } } public function test() { ($this->callback)($new Exception); } } (new Foo)->test();
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0
Parse error: syntax error, unexpected '}' in /in/kecbA on line 12
Process exited with code 255.

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