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$arr = array(
array(
'user_id' => 100,
'goods_id' => 10,
'number' => 1,
),
array(
'user_id' => 102,
'goods_id' => 10,
'number' => 1,
),
array(
'user_id' => 102,
'goods_id' => 10,
'number' => 1,
),
array(
'user_id' => 102,
'goods_id' => 10,
'number' => 1,
),
);$container = array();
$result = array();
foreach ($arr as $item) {
$key = $item['user_id'] . '_' . $item['goods_id'];
if (empty($container[$key])) {
$container[$key] = $item['number'];
}else {
$container[$key] += $item['number'];
}
}foreach ($container as $key => $item) {
list($user_id, $goods_id) = explode('_', $key);
$result[] = array('user_id' => $user_id, 'goods_id' => $goods_id, 'number' => $item);
}运行结果
array ( 0 => array ( 'user_id' => '100', 'goods_id' => '10', 'number' => 1, ), 1 => array ( 'user_id' => '102', 'goods_id' => '10', 'number' => 3, ), ) |
2022-08-30
2022-08-17
2022-11-06
2022-08-15
2022-08-18
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