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php二维数组合并与元素值相加实例
•php数组•阅读 357 - */
- $arr_click = array(
- array('date' => '2010-10-01', 'click' =>'1'),
- array('date' => '2010-10-02', 'click' =>'2'),
- array('date' => '2010-10-02', 'click' =>'3'),
- array('date' => '2010-10-03', 'click' =>'4'),
- );
- $temp = array();
- foreach ($arr_click as $k => $v)
- {
- $key = $v['date'];
- $temp[$key] = isset($temp[$key]) ? $v['click'] + $temp[$key] : $v['click'];
- }
- foreach ($temp as $k => $v)
- {
- $result[] = array('date' => $k, 'click' => $v);
- }
- var_dump($result);
- //方法二
- $arr_click = array(
- array( 'date' => '2010-10-01', 'click' =>'1' ),
- array( 'date' => '2010-10-02', 'click' =>'2' ),
- array( 'date' => '2010-10-02', 'click' =>'3' ),
- array( 'date' => '2010-10-03', 'click' =>'4' ),
- );
- foreach($arr_click as $v)
- if($r[$v['date']]) $r[$v['date']]['click'] += $v['click'];
- else $r[$v['date']] = $v;
- $arr_click = array_values($r);
- print_r($arr_click);