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run code in 300+ PHP versions simultaneously
<?php $arr = array( 'a' => array('w'=>'d','c'=>'q','v'=>'g','f' => 'h'), 'b' => 'v' ); echo json_encode($arr);
Output for git.master, git.master_jit, rfc.property-hooks
{"a":{"w":"d","c":"q","v":"g","f":"h"},"b":"v"}

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