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Reorganize a two-dimensional array into an array with the same key values

WBOYOriginal: 2016-08-08 09:23:211113browse

Array( [0] => ArrayShanghai ) [1] => Array ) [2] => ArrayShanghai ) [3] => Array ) [4] => Array ( ) )According to the same title, reassemble the array into: Array( [0] => Array ( [title] => 111 [name] => 上海,杭州 ) [1] => Array ( ) )

实现代码：

function array_group_concat($ar, $field, $group_by) {

$res = array();
foreach($ar as $row) {
$g = $row[$group_by];
if(isset($res[$g])) $res[$g][$f

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Reorganize a two-dimensional array into an array with the same key values

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