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<?php $d = function(integer $d) { var_dump($d); }; dd($d('test'));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: "integer" will be interpreted as a class name. Did you mean "int"? Write "\integer" to suppress this warning in /in/W5YTZ on line 3 Fatal error: Uncaught Error: Call to undefined function dd() in /in/W5YTZ:7 Stack trace: #0 {main} thrown in /in/W5YTZ on line 7
Process exited with code 255.

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