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run code in 300+ PHP versions simultaneously
<?php $string = array(1 => array('test', 'test2') ,2,3,4,5,6,7); echo json_encode($string, JSON_PRETTY_PRINT);
Output for git.master, git.master_jit, rfc.property-hooks
{ "1": [ "test", "test2" ], "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7 }

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