To prevent unexpected behavior, it’s essential to replicate WooCommerce’s core functionality when programmatically modifying the cart. This blog post is designed for PHP developers building extensions for WooCommerce.  While developing Reserved Stock Pro for WooCommerce I’ve discovered some popular plugins in the following categories may look over important validation steps during the WooCommerce cart flow. … Continue reading How to “correctly” set product quantity in WooCommerce Cart (PHP)