php数组实现根据某个键值将相同键值合并生成新二维数组的方法
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源数据
$infos = array(
array(
\'a\' => 36,
\'b\' => \'xa\',
\'c\' => \'2015-08-28 00:00:00\',
\'d\' => \'2015/08/438488a00b3219929282e3652061c2e3.png\'
),
array(
\'a\' => 3,
\'b\' => \'vd\',
\'c\' => \'2015-08-20 00:00:00\',
\'d\' => \'2015/08/438488a00b3219929282e3652061c2e3.png\'
),
array(
\'a\' => 6,
\'b\' => \'wwe\',
\'c\' => \'2015-08-28 00:00:00\',
\'d\' => \'2015/08/438488a00b3219929282e3652061c2e3.png\'
),
array(
\'a\' => 36,
\'b\' => \'se\',
\'c\' => \'2015-08-28 00:00:00\',
\'d\' => \'2015/08/438488a00b3219929282e3652061c2e3.png\'
),
array(
\'a\' => 6,
\'b\' => \'aw\',
\'c\' => \'2015-08-28 00:00:00\',
\'d\' => \'2015/08/438488a00b3219929282e3652061c2e3.png\'
),
array(
\'a\' => 36,
\'b\' => \'bv\',
\'c\' => \'2015-08-28 00:00:00\',
\'d\' => \'2015/08/438488a00b3219929282e3652061c2e3.png\'
),
array(
\'a\' => 12,
\'b\' => \'xx\',
\'c\' => \'2015-08-27 00:00:00\',
\'d\' => \'2015/08/438488a00b3219929282e3652061c2e3.png\'
)
);
————————————————
版权声明：本文为CSDN博主「tjg888888」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/tianjingang1/article/details/98213158
处理要求：将数组中a相同的二维数组合并到一个数组中，生成一个新的数组 <?php $result= array(); foreach ($infos as $key => $info) { $result[$info[\'a\']][] = $info; } print_r($result); Array ( [36] => Array ( [0] => Array ( [a] => 36 [b] => xa [c] => 2015-08-28 00:00:00 [d] => 2015/08/438488a00b3219929282e3652061c2e3.png ) [1] => Array ( [a] => 36 [b] => se [c] => 2015-08-28 00:00:00 [d] => 2015/08/438488a00b3219929282e3652061c2e3.png ) [2] => Array ( [a] => 36 [b] => bv [c] => 2015-08-28 00:00:00 [d] => 2015/08/438488a00b3219929282e3652061c2e3.png ) ) [3] => Array ( [0] => Array ( [a] => 3 [b] => vd [c] => 2015-08-20 00:00:00 [d] => 2015/08/438488a00b3219929282e3652061c2e3.png ) ) [6] => Array ( [0] => Array ( [a] => 6 [b] => wwe [c] => 2015-08-28 00:00:00 [d] => 2015/08/438488a00b3219929282e3652061c2e3.png ) [1] => Array ( [a] => 6 [b] => aw [c] => 2015-08-28 00:00:00 [d] => 2015/08/438488a00b3219929282e3652061c2e3.png ) ) [12] => Array ( [0] => Array ( [a] => 12 [b] => xx [c] => 2015-08-27 00:00:00 [d] => 2015/08/438488a00b3219929282e3652061c2e3.png ) ) )
————————————————
版权声明：本文为CSDN博主「tjg888888」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/tianjingang1/article/details/98213158
---------------------------------------------------------------------------------------------------------------------------------------
$html = \'\'; foreach ($result as $k => $v) { $html .= "车牌号: ".$k."<br>"; foreach ($v as $k1 => $v1){ $html .= "【".$v1[\'jl_market_name\'].\' * \'.$v1[\'pro_id_name\'].\' * \'.$v1[\'jl_order_num\'].\' * \'.$v1[\'num_price\']."元】" ."<br>"; } $html .= "<br>"; } $html .= "【总数量：".$pro_id_name.\' \'.$all_product_num."】"; $html .= "<br>"; $html .= "【总价格：".$all_product_price."元】"; return [\'code\'=>200,\'msg\'=>\'成功！\',\'data\'=>$html,\'content\'=>$arrData[\'content\'],\'jl_name\'=>$arrData[\'jl_name\'],\'product_id\'=>$arrData[\'product_id\']];
--------------------------------将数组中a相同的二维数组合并到一个数组中，生成一个新的数组，再将a子类相同的键再次组装---------------------------------------------------------------------
$do_info = Db::name(\'delivery_order\')
->alias(\'do\')
->join(\'delivery_order_detail dod\',\'dod.delivery_order_id=do.id\',\'left\')
->whereTime(\'do.create_time\', \'today\')
->field(\'*\')
->select();
$result = [];
foreach ($do_info as $key => $info) {
$result[$info[\'car_id\']][] = $info;
}
//dump($result);die;
$result1 = [];
foreach ($result as $k => $v)
{
foreach ($v as $key1 => $value1) {
$result1[$k][$value1[\'market_id\']][] = $value1;
}
}
//dump($result1);die;
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