PHP将二维数组某一个字段相同的数组合并起来的方法


            本文实例讲述了PHP将二维数组某一个字段相同的数组合并起来的方法。分享给大家供大家参考，具体如下：

例子：





array(3) {

 [0]=>

 array(16) {

  ["id"]=>

  string(2) "42"

  ["uid"]=>

  string(2) "14"

  ["euid"]=>

  string(2) "56"

  ["did"]=>

  string(1) "1"

  ["nid"]=>

  string(1) "0"

  ["phonetime"]=>

  string(10) "1443927600"

  ["createtime"]=>

  string(10) "1443880619"

  ["type"]=>

  string(1) "3"

  ["status"]=>

  string(1) "0"

  ["atype"]=>

  string(1) "1"

  ["mtype"]=>

  string(1) "2"

  ["endtime"]=>

  string(1) "0"

  ["time"]=>

  string(10) "10月04日"

  ["date"]=>

  string(6) "周日"

  ["uname"]=>

  NULL

  ["album"]=>

  string(0) ""

 }

 [1]=>

 array(16) {

  ["id"]=>

  string(2) "40"

  ["uid"]=>

  string(2) "14"

  ["euid"]=>

  string(2) "56"

  ["did"]=>

  string(1) "1"

  ["nid"]=>

  string(1) "0"

  ["phonetime"]=>

  string(10) "1444359600"

  ["createtime"]=>

  string(10) "1444268595"

  ["type"]=>

  string(1) "3"

  ["status"]=>

  string(1) "0"

  ["atype"]=>

  string(1) "1"

  ["mtype"]=>

  string(1) "2"

  ["endtime"]=>

  string(1) "0"

  ["time"]=>

  string(10) "10月09日"

  ["date"]=>

  string(6) "周五"

  ["uname"]=>

  NULL

  ["album"]=>

  string(0) ""

 }

 [2]=>

 array(16) {

  ["id"]=>

  string(2) "43"

  ["uid"]=>

  string(1) "2"

  ["euid"]=>

  string(2) "56"

  ["did"]=>

  string(1) "1"

  ["nid"]=>

  string(1) "0"

  ["phonetime"]=>

  string(10) "1444359620"

  ["createtime"]=>

  string(10) "1444268595"

  ["type"]=>

  string(1) "3"

  ["status"]=>

  string(1) "0"

  ["atype"]=>

  string(1) "1"

  ["mtype"]=>

  string(1) "2"

  ["endtime"]=>

  string(1) "0"

  ["time"]=>

  string(10) "10月09日"

  ["date"]=>

  string(6) "周五"

  ["uname"]=>

  NULL

  ["album"]=>

  string(0) ""

 }

}







现在想要对这个二维数组下的元素，time相同的合并到同一数组下。想要的效果为：





array(2) {

 ["10月04日"]=>

 array(1) {

  [0]=>

  array(16) {

   ["id"]=>

   string(2) "42"

   ["uid"]=>

   string(2) "14"

   ["euid"]=>

   string(2) "56"

   ["did"]=>

   string(1) "1"

   ["nid"]=>

   string(1) "0"

   ["phonetime"]=>

   string(10) "1443927600"

   ["createtime"]=>

   string(10) "1443880619"

   ["type"]=>

   string(1) "3"

   ["status"]=>

   string(1) "0"

   ["atype"]=>

   string(1) "1"

   ["mtype"]=>

   string(1) "2"

   ["endtime"]=>

   string(1) "0"

   ["time"]=>

   string(10) "10月04日"

   ["date"]=>

   string(6) "周日"

   ["uname"]=>

   NULL

   ["album"]=>

   string(0) ""

  }

 }

 ["10月09日"]=>

 array(2) {

  [0]=>

  array(16) {

   ["id"]=>

   string(2) "40"

   ["uid"]=>

   string(2) "14"

   ["euid"]=>

   string(2) "56"

   ["did"]=>

   string(1) "1"

   ["nid"]=>

   string(1) "0"

   ["phonetime"]=>

   string(10) "1444359600"

   ["createtime"]=>

   string(10) "1444268595"

   ["type"]=>

   string(1) "3"

   ["status"]=>

   string(1) "0"

   ["atype"]=>

   string(1) "1"

   ["mtype"]=>

   string(1) "2"

   ["endtime"]=>

   string(1) "0"

   ["time"]=>

   string(10) "10月09日"

   ["date"]=>

   string(6) "周五"

   ["uname"]=>

   NULL

   ["album"]=>

   string(0) ""

  }

  [1]=>

  array(16) {

   ["id"]=>

   string(2) "43"

   ["uid"]=>

   string(1) "2"

   ["euid"]=>

   string(2) "56"

   ["did"]=>

   string(1) "1"

   ["nid"]=>

   string(1) "0"

   ["phonetime"]=>

   string(10) "1444359620"

   ["createtime"]=>

   string(10) "1444268595"

   ["type"]=>

   string(1) "3"

   ["status"]=>

   string(1) "0"

   ["atype"]=>

   string(1) "1"

   ["mtype"]=>

   string(1) "2"

   ["endtime"]=>

   string(1) "0"

   ["time"]=>

   string(10) "10月09日"

   ["date"]=>

   string(6) "周五"

   ["uname"]=>

   NULL

   ["album"]=>

   string(0) ""

  }

 }

}







那么。。。代码很简单，没有想象的那么复杂，想要的结果是个三维数组

$result 为原二维数组





$res = array(); //想要的结果

foreach ($result as $k => $v) {

  $res[$v['time']][] = $v;

}







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