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<?php $array1 = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5);  print_r(array_filter($array1));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function  print_r() in /in/89TPZ:5 Stack trace: #0 {main} thrown in /in/89TPZ on line 5
Process exited with code 255.

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