//php页面中,有个二维数据,我print_r出来后如下:
$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' ),
);
//现需把 同一天的记录拼成一条记录,并把后面的click值相加,再用二维数组输出来,也就是输出:
$arr_click = array(
array( 'date' => '2010-10-01', 'click' =>'1' ),
array( 'date' => '2010-10-02', 'click' =>'5' ),
array( 'date' => '2010-10-03', 'click' =>'4' ),
);
//这如何实现呀,thanks
$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' ),
);
//现需把 同一天的记录拼成一条记录,并把后面的click值相加,再用二维数组输出来,也就是输出:
$arr_click = array(
array( 'date' => '2010-10-01', 'click' =>'1' ),
array( 'date' => '2010-10-02', 'click' =>'5' ),
array( 'date' => '2010-10-03', 'click' =>'4' ),
);
//这如何实现呀,thanks
$arr_click = array(
array('date' => '2010-10-01', 'click' =>'1'),
array('date' => '2010-10-02', 'click' =>'2'),
array('date' => '2010-10-02', 'click' =>'3'),
array('date' => '2010-10-03', 'click' =>'4'),
);$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);
foreach($arr_click as $k=>$v){
$new_arr_click[$v['date']] += $v['click'];
}foreach($new_arr_click as $d=>$c){
$arr['date'] = $d;
$arr['click'] = $c; $array[] = $arr;
}print_r($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);Array
(
[0] => Array
(
[date] => 2010-10-01
[click] => 1
) [1] => Array
(
[date] => 2010-10-02
[click] => 5
) [2] => Array
(
[date] => 2010-10-03
[click] => 4
))
array( 'date' => '2010-10-02', 'click' =>'3' ),
array( 'date' => '2010-10-03', 'click' =>'4' ),
);
//现需把 同一天的记录拼成一条记录,并把后面的click值相加,再用二维数组输出来,也就是输出:
$arr_click = array(
array( 'date' => '2010-10-01', 'click'