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<?php $array = array( array('first', 'second'), array('next', 'more') ); var_dump(array_merge(...$array));
Output for git.master_jit, git.master, rfc.property-hooks
array(4) { [0]=> string(5) "first" [1]=> string(6) "second" [2]=> string(4) "next" [3]=> string(4) "more" }

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