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<?php $a = array(1,2,array(3,4, array(5,6,7), 8), 9); $b = call_user_func_array('array_merge', $a); $c = array(); $it = new RecursiveIteratorIterator(new RecursiveArrayIterator($a)); foreach($it as $v) { $c[] = $v; } print_r($a); print_r($b); print_r($c); print_r($it);
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