[英]group array based on similar values in PHP
原始数组为:
array (
0 =>
array (
'order_id' => '5870',
'email' => 'fak*****mid@gmail.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
),
1 =>
array (
'order_id' => '5877',
'email' => 'asl***mid@gmail.com',
'item' => 'network',
'IMEI' => '354447064267144',
),
2 =>
array (
'order_id' => '5878',
'email' => 'pab***mid@gmail.com',
'item' => 'O2 UK',
'IMEI' => '35495207085492',
),
3 =>
array (
'order_id' => '5879',
'email' => 'persi****dia@yahoo.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
),
4 =>
array (
'order_id' => '5882',
'email' => 'di***r18@gmail.com',
'item' => 'blacklist check',
'IMEI' => '354407067239243',
),
5 =>
array (
'order_id' => '5884',
'email' => 'm***matin@gmail.com',
'item' => 'Vodafone',
'IMEI' => '353337073126392',
),
)
如您所见,数组#0,#3,#5具有相同的IMEI号。 我的问题是如何根据相同的IMEI值对数组进行分组。 我想从原始数组中派生出三个不同的数组。 就像是:
ArrayA
1 =>
array (
'order_id' => '5877',
'email' => 'asl***mid@gmail.com',
'item' => 'network',
'IMEI' => '354447064267144',
),
2 =>
array (
'order_id' => '5878',
'email' => 'pab***mid@gmail.com',
'item' => 'O2 UK',
'IMEI' => '35495207085492',
),
4 =>
array (
'order_id' => '5882',
'email' => 'di****18@gmail.com',
'item' => 'blacklist check',
'IMEI' => '354407067239243',
),
)
现在,数组#0,#3,#5具有相同的IMEI号,但数组#0,#3也具有相同的项目名称。 所以ArrayB就像这样:
ArrayB
0 =>
array (
'order_id' => '5870',
'email' => 'fak*****mid@gmail.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
),
3 =>
array (
'order_id' => '5879',
'email' => 'persi****dia@yahoo.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
),
)
最后,ArrayC将会是这样的:
ArrayC
5 =>
array (
'order_id' => '5884',
'email' => 'mo****tin@gmail.com',
'item' => 'Vodafone',
'IMEI' => '353337073126392',
),
)
我知道我可以使用FOR循环并检查IMEI值,但是以防万一有一种我不知道的更干净的方式?
我不确定这是最好的解决方案,但可以尝试使用此代码
$a = [
[
'order_id' => '5870',
'email' => 'fak*****mid@gmail.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
],[
'order_id' => '5877',
'email' => 'asl***mid@gmail.com',
'item' => 'network',
'IMEI' => '354447064267144',
],[
'order_id' => '5878',
'email' => 'pab***mid@gmail.com',
'item' => 'O2 UK',
'IMEI' => '35495207085492',
],[
'order_id' => '5879',
'email' => 'persi****dia@yahoo.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
],[
'order_id' => '5882',
'email' => 'di***r18@gmail.com',
'item' => 'blacklist check',
'IMEI' => '354407067239243',
],[
'order_id' => '5884',
'email' => 'm***matin@gmail.com',
'item' => 'Vodafone',
'IMEI' => '353337073126392',
],
];
function groupData($datas, $firstKey, $secondKey)
{
//Define output
$firstGroup = [];
$secondGroup = [];
$thirdGroup = [];
$tmps = [];
$tmpIds = [];
//check first key
foreach ($datas as $data) {
if (!isset($firstGroup[$data[$firstKey]])) {
if (!in_array($data[$firstKey], $tmpIds) ) {
$firstGroup[$data[$firstKey]] = $data;
$tmpIds[] = $data[$firstKey];
} else {
$tmps[] = $data;
}
} else {
$old = $firstGroup[$data[$firstKey]];
//remove from first and add to tmps
unset($firstGroup[$data[$firstKey]]);
$tmps[] = $old;
$tmps[] = $data;
}
}
//check tmps key
foreach ($tmps as $each) {
if (!isset($thirdGroup[$each[$firstKey].$each[$secondKey]])) {
$thirdGroup[$each[$firstKey].$each[$secondKey]] = $each;
} else {
$old = $thirdGroup[$each[$firstKey].$each[$secondKey]];
$secondGroup[uniqid()] = $old;
//remove from first and add to second
unset($thirdGroup[$each[$firstKey].$each[$secondKey]]);
$secondGroup[uniqid()] = $each;
}
}
return [
'first' => $firstGroup,
'second' => $secondGroup,
'third' => $thirdGroup
];
}
$res = groupData($a, 'IMEI', 'item');
print_r(array_values($res['first']));
print_r(array_values($res['second']));
print_r(array_values($res['third']));
希望这个帮助
您可以使用array_reduce
:
$result = array_reduce($array, function ($result, $item) {
if (!isset($result[$item['IMEI']][$item['item']])) {
$result[$item['IMEI']][$item['item']] = [];
}
$result[$item['IMEI']][$item['item']][] = $item;
return $result;
}, []);
这是工作演示 。
该解决方案与php5.2兼容,并且在语法上与我在php7中编写的一样干净。
将每个子数组的IMEI
值用作结果数组中的临时键,并在迭代时继续将新数据推入结果数组。
代码:( 演示 )
$array = array(
array('order_id' => '5870', 'email' => 'fak*****mid@gmail.com', 'item' => 'carrier', 'IMEI' => '353337073126392'),
array('order_id' => '5877', 'email' => 'asl***mid@gmail.com', 'item' => 'network', 'IMEI' => '354447064267144'),
array('order_id' => '5878', 'email' => 'pab***mid@gmail.com', 'item' => 'O2 UK', 'IMEI' => '35495207085492'),
array('order_id' => '5879', 'email' => 'persi****dia@yahoo.com', 'item' => 'carrier', 'IMEI' => '353337073126392'),
array('order_id' => '5882', 'email' => 'di***r18@gmail.com', 'item' => 'blacklist check', 'IMEI' => '354407067239243'),
array('order_id' => '5884', 'email' => 'm***matin@gmail.com', 'item' => 'Vodafone', 'IMEI' => '353337073126392')
);
foreach ($array as $row) {
$result[$row['IMEI']][] = $row;
}
var_export(array_values($result));
输出:
array (
0 =>
array (
0 =>
array (
'order_id' => '5870',
'email' => 'fak*****mid@gmail.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
),
1 =>
array (
'order_id' => '5879',
'email' => 'persi****dia@yahoo.com',
'item' => 'carrier',
'IMEI' => '353337073126392',
),
2 =>
array (
'order_id' => '5884',
'email' => 'm***matin@gmail.com',
'item' => 'Vodafone',
'IMEI' => '353337073126392',
),
),
1 =>
array (
0 =>
array (
'order_id' => '5877',
'email' => 'asl***mid@gmail.com',
'item' => 'network',
'IMEI' => '354447064267144',
),
),
2 =>
array (
0 =>
array (
'order_id' => '5878',
'email' => 'pab***mid@gmail.com',
'item' => 'O2 UK',
'IMEI' => '35495207085492',
),
),
3 =>
array (
0 =>
array (
'order_id' => '5882',
'email' => 'di***r18@gmail.com',
'item' => 'blacklist check',
'IMEI' => '354407067239243',
),
),
)
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