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<?php $array = array(1 => 0, 2, 3, 4); array_splice($array, 3, count($array), array_merge(array('x'), array_slice($array, 3))); print_r($array); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 0 [1] => 2 [2] => 3 [3] => x [4] => 4 )

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