2011-1-4

  1. A

    need to substract data current row-previous row in php

    as you can see in the sample code the loop gives me data somewhat like this Date Count 2011-1-1 200 2011-1-2 250 2011-1-3 300 2011-1-4 150 now i want to insert a code in the while loop so that i get a custom 3rd column with output something like this Date Count...
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