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<?php $a = array(1=>1, "2"=>"2", 3=>"3", "4"=>4); echo json_encode($a,JSON_NUMERIC_CHECK); echo json_encode($a);
Output for git.master, git.master_jit, rfc.property-hooks
{"1":1,"2":2,"3":3,"4":4}{"1":1,"2":"2","3":"3","4":4}

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