php code 求算法，求最牛算法
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php code$alist = array();$alist[1][1] = array('test1');$alist[1][2] = array('test2');$alist[2][1] = array('test3');$alist[2][2] = array('test4');$r = call_user_func_array('array_merge', $alist);print_r($r);