一个数组的同一个日期相同,价格相加,怎么做?
一个数组的同一个日期相同,价格相加,怎么做?
array (size=1612)
0 =>
array (size=3)
'isdate' => string '2020-06-29' (length=10)
'salesVolume' => float 25
1 =>
array (size=3)
'isdate' => string '2020-06-29' (length=10)
'salesVolume' => float 77.1
2 =>
array (size=3)
'isdate' => string '2020-06-29' (length=10)
'salesVolume' => float 74.72
3 =>
array (size=3)
'isdate' => string '2020-06-29' (length=10)
'salesVolume' => float 26.05
4 =>
array (size=3)
'isdate' => string '2020-06-29' (length=10)
'salesVolume' => float 2.98
5 =>
array (size=3)
'isdate' => string '2020-06-29' (length=10)
'salesVolume' => float 26.8