WordPress automatically limits your PHP memory to 40MB. This may result in your WooCommerce website being slow to process information, searches, product uploading and so on.
1. Open your wp-config.php file
Use an FTP software to access your WordPress files. You can find wp-config in the main installation folder. Open it, or download it so that you can edit it.
2. Add the following line of code
3. Note: do not add it at the bottom!
You will need to add the code above this line:
require_once(ABSPATH . 'wp-settings.php');
…or it won’t work!
This is it!
Where to add custom code?
You should place PHP snippets at the bottom of your child theme functions.php file and CSS at the bottom of its style.css file. Make sure you know what you are doing when editing such files - if you need more guidance, please take a look at my guide "Should I Add Custom Code Via WP Editor, FTP or Code Snippets?" and my video tutorial "Where to Place WooCommerce Customization?"
Does this snippet (still) work?Please let me know in the comments if everything went as expected. I would be happy to revise the snippet if you report otherwise (please provide screenshots). I have tested this code with Storefront theme, the WooCommerce version listed above and a WordPress-friendly hosting.
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Need Help with WooCommerce?
Check out these free video tutorials. You can learn how to customize WooCommerce without unnecessary plugins, how to properly configure the WooCommerce plugin settings and even how to master WooCommerce troubleshooting in case of a bug!