数组计算差值及项的小计,该如何处理
日期：2014-05-16 浏览次数：20519 次
数组计算差值及项的小计
$s = array ( 0 => array ( 0 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA01-120N', 'type' => 'BEA01-120N', 2 => 176, 'count' => 176, ), 1 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA21-110N', 'type' => 'BEA21-110N', 2 => 1056, 'count' => 1056, ), ), 1 => array ( 0 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA01-120N', 'type' => 'BEA01-120N', 2 => 192, 'count' => 192, ), 1 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA21-110N', 'type' => 'BEA21-110N', 2 => 960, 'count' => 960, ), ), )
求其type对应的差值和$s[0]及$s[1]的type项的小计。（小计部分已实现，用了unset）
理想得到的结果：
小计的结果： BEA01-120N 176 BEA01-120N 192 差值：176-192 = -16
BEA21-110N 1056 BEA21-110N 960 1056-960 = 96
小计：176+1056=1232 192+960 = 1152
------解决方案--------------------
$s = array ( 0 => array ( 0 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA01-120N', 'type' => 'BEA01-120N', 2 => 176, 'count' => 176, ), 1 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA21-110N', 'type' => 'BEA21-110N', 2 => 1056, 'count' => 1056, ), ), 1 => array ( 0 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA01-120N', 'type' => 'BEA01-120N', 2 => 192, 'count' => 192, ), 1 => array ( 0 => '2014-04-11', 'time' => '2014-04-11', 1 => 'BEA21-110N', 'type' => 'BEA21-110N', 2 => 960, 'count' => 960, ), ), )
求其type对应的差值和$s[0]及$s[1]的type项的小计。（小计部分已实现，用了unset）
理想得到的结果：
小计的结果： BEA01-120N 176 BEA01-120N 192 差值：176-192 = -16
BEA21-110N 1056 BEA21-110N 960 1056-960 = 96
小计：176+1056=1232 192+960 = 1152
------解决方案--------------------
$s = array (
0 => array (
0 => array (
0 => '2014-04-11', 'time' => '2014-04-11',
1 => 'BEA01-120N', 'type' => 'BEA01-120N',
2 => 176, 'count' => 176,
),
1 => array (
0 => '2014-04-11', 'time' => '2014-04-11',
1 => 'BEA21-110N', 'type' => 'BEA21-110N',
2 => 1056, 'count' => 1056,
),
),
1 => array (
0 => array (
0 => '2014-04-11', 'time' => '2014-04-11',
1 => 'BEA01-120N', 'type' => 'BEA01-120N',
2 => 192, 'count' => 192,
),
1 => array (
0
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