Optimization and performance of multiple array iterations for WooCommerce...

soup_sam

I have a WooCommerce discount system that calculates fees based on product categories (box sizes) for a specific user role. The code is functional, but I am concerned about the execution cost of redundant checks vs. large code blocks. I need to calculate a 5% discount for wholesalers when they complete "boxes" (multiples of 8, 9, 10, 12, or 15 units). Option A: Multiple conditional checks (Current) In this version, I check the user role and the...

Originally asked by Tecnologias Pa Todos on Stack Exchange (stackoverflow) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

I not sure why you chose these arrays? Why not rewrite them as: $discount_products_count = [273 => [9], 274 => [9], 275 => [9], 276 => [12], 277 => [9], 290 => [9], 291 => [12], 358 => [12], 359 => [12], 380 => [12], 419 => [10], 444 => [15], 445 => [15], 446 => [15], 473 => [12], 475 => [12], 478 => [12], 479 => [12], 500 => [12], 501 => [12], 502 => [12], 967 => [12], 969 => [8], 11613 => [12]]; Note that it is much easier to find a product, and you can have any box sizes you need, not just 8, 9, 10, 12 and 15. Then if you want to test if the discount applies you do: foreach ($cart->cart_contents as $item) { $product_id = $item["product_id"]; $quantity = $item["quantity"]; if...

Full answer by KIKO Software: https://stackoverflow.stackexchange.com/a/79940101 (CC BY-SA 4.0).

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