Custom Buy now button in WooCommerce without plugins
Copy the "Buy Now" button code into the functions.php file. Now you can customize the color and text of it, and you can display this button only on the products in your favorite categories.
WooCommerce
Bulk update WooCommerce product price programmatically
With the following formula, you can set the price of all To bulk update WooCommerce product prices programmatically, first copy the following code into the "functions.php" file: Now you can decrease or increase the price of all products by giving the formula to the "$price" variable.
Custom tab in Woocommerce product page without plugins
To add a custom tab to the WooCommerce product page, first copy the following code into the functions.php file: Now, in the format specified, add your desired questions and answers to the code, and finally specify in which category of products this tab should be displayed.
Add Post and Product Carousel in WordPress [without plugins]
To add post and product carousels in Wordpress, first copy the following code into the functions.php file: Then go to your desired page and add your list of posts with the Query Loop block, and finally add the [carousel] shortcode to your page.
How To Add Live Ajax Search In WordPress [without plugins]
To add live Ajax search in WordPress, first copy the code from step one into the functions.php file, then go to the desired page and add an Ajax search to the page with the [asearch] shortcode.