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<?php $arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); echo json_encode($arr, 'JSON_PRETTY_PRINT'); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: json_encode(): Argument #2 ($flags) must be of type int, string given in /in/mgOaK:4 Stack trace: #0 /in/mgOaK(4): json_encode(Array, 'JSON_PRETTY_PRI...') #1 {main} thrown in /in/mgOaK on line 4
Process exited with code 255.

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