Array
[0] => Array
(
[a1] => 12
[v1] => 3100.00
[v2] => 186.00
[v3] => 186.00
)
[1] => Array
(
[a1] => 12
[v1] => 1200.00
[v2] => 72.00
[v3] => 72.00
)
[0] => Array
(
[a1] => 12
[v1] => 4300.00
[v2] => 258.00
[v3] => 258.00
)
Try This code ,
foreach($value as $i=>$v) {
$temp[0]['a1'] = $v['a1'];
$temp[0]['v1'] += $v['v1'];
$temp[0]['v2'] += $v['v2'];
$temp[0]['v3'] += $v['v3'];
}