数组拆分有关问题

程序员文章站 2022-05-05 20:11:54

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数组拆分问题
假设数组a：

array (
  0 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12647212',
    'total' => '60',
    'snp' => '15',
    'mount' => '4',
    'lp_no' => 'P000000D',
  ),
  1 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12654172',
    'total' => '615',
    'snp' => '15',
    'mount' => '41',
    'lp_no' => 'P000000D',
  ),
)

当满足整个total为一定条件时，将数组拆分开来。例中total为675，假设拆分条件为total满足225，也就是拆分为3个数组，如何能将数组拆分成这样？


//b
array (
  0 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12647212',
    'total' => '60',
    'snp' => '15',
    'mount' => '4',
    'lp_no' => 'P000000D',
  ),
  1 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12654172',
    'total' => '165',
    'snp' => '15',
    'mount' => '11',
    'lp_no' => 'P000000D',
  ),
)
//c
array (
  0 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12647212',
    'total' => '225',
    'snp' => '15',
    'mount' => '15',
    'lp_no' => 'P000000D',
  ),
）
//d
array (
  0 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12647212',
    'total' => '225',
    'snp' => '15',
    'mount' => '15',
    'lp_no' => 'P000000D',
  ),
）

分享到：
------解决方案--------------------

$a = array (
  0 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12647212',
    'total' => '60',
    'snp' => '15',
    'mount' => '4',
    'lp_no' => 'P000000D',
  ),
  1 => 
  array (
    'po_num' => 'DYNP-770266110-00',
    'plant' => 'DYNP',
    'get_date' => '2013-09-09',
    'cust_no' => '12654172',
    'total' => '615',
    'snp' => '15',
    'mount' => '41',
    'lp_no' => 'P000000D',
  ),
);
$t = 225;
foreach($a as $v) {
  $t1 = $v['total'];
  $v['total'] = $t1 % $t;
  $res[] = $v;
  $t1 -= $v['total'];
  while($t1 >= $t) {
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