Billz Posted October 5, 2022 Share Posted October 5, 2022 Please help me let me explain with this..... purchase table id purchase_id product_id product_batch_id variant_id imei_number qty recieved purchase_unit_id net_unit_cost discount tax_rate tax total created_at updated_at 1 1 1 NULL NULL NULL 10 10 1 40 0 0 0 400 2022-10-01 14:37:01 2022-10-01 14:37:01 2 2 1 NULL NULL NULL 15 15 1 45 0 0 0 675 2022-10-01 14:39:09 2022-10-01 14:39:09 3 3 1 NULL NULL NULL 15 15 1 48 0 0 0 720 2022-10-01 14:40:44 2022-10-01 14:40:44 Sale Table sale_id product_id qty net_unit_price total created_at Edit Copy Delete 1 1 10 50 500 2022-10-01 14:37:22 Edit Copy Delete 2 1 10 50 500 2022-10-01 14:39:35 Edit Copy Delete 3 1 15 50 750 2022-10-01 14:41:12 Edit Copy Delete 4 1 5 50 250 2022-10-01 15:55:21 Edit Copy Delete 5 1 1 50 50 2022-10-03 15:02:43 Edit Copy Delete 6 1 1 40 40 2022-10-03 15:06:12 Edit Copy Delete 7 1 1 40 40 2022-10-03 15:06:15 in this, if i sold '11' units then how can i subtract from the rows to get remaining units? i've to subtract '10' units from first row and '1' unit from second row. Please help how to calculate fifo in php Link to comment Share on other sites More sharing options...
Billz Posted October 5, 2022 Author Share Posted October 5, 2022 @davejplease help me. Link to comment Share on other sites More sharing options...
Billz Posted October 6, 2022 Author Share Posted October 6, 2022 On 10/5/2022 at 10:13 AM, Billz said: @davejplease help me. Link to comment Share on other sites More sharing options...
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