I recently had a client who uses WordPress and Woocommerce for his e-commerce site ask me to come up with a method of making some customers tax exempt. He primarily sells to retail customers, but he has a number of resellers who use the site. The resellers should not pay sales tax, even though they reside in a state which does charge sales tax for retail customers.
I found some information on Woocommerce’s site which recommended extending the capabilities for the “customer” user role and adding an action to set the value of “set_is_vat_exempt” into the child theme’s functions.php in order to make some customers tax exempt. Unfortunately, the code snippet, which as of this writing hadn’t been updated since 2013, didn’t work, throwing a fatal PHP error on the test site and taking the entire site down.
Although, in the end, the fix was simple, it took a while for me to come up with a working solution, so I’d like to share it here, hopefully saving someone else the time and trouble of setting up tax exempt customers in Woocommerce. I’ve tested this approach using WordPress 4.9.6 and Woocommerce 3.4.2.
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Woocommerce has kindly provided a Codex snippet to add social media icons to the Storefront theme. Their approach creates a very nice-looking social media icon menu; however, on displays less than 768 pixels in width, the Storefront theme hides the secondary navigation menu location used. Mobile devices using smaller displays end up with no social media icons.
The Storefront theme is a responsive theme, so it really should have the capability to display social media icons at all resolutions. I didn’t even notice there weren’t any until a client pointed it out to me.
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Note: There is a newer version of the code in this post tested with WordPress 5.2.4 and WooCommerce 3.8 in the post WooCommerce 3.8: Send a Notification Email When a Customer Changes Their Address.
I have a client who runs a subscription-based business on a WordPress site using WooCommerce. Since some of his subscriptions last a year or more, increasing the likelihood that a customer’s address might change, he wanted to be notified by email if the customer used the WooCommerce change-of-address form.
While it’s possible to add a custom email notification class so that the email notification will show up in WooCommerce -> Settings -> Emails, I really just needed something simple, and didn’t mind that the recipient email address would be hard-coded. I came up with the following code snippet, which does the trick in WordPress 4.6 and WooCommerce 2.6.4.
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Contact Form 7 is my favorite contact form plugin for WordPress. Not only is it well-documented on the developer’s web site, but it offers a plethora of valuable features that have made it my go-to contact form. One of those features is Contact Form 7’s ability to use variables in the URL ($_GET variables) to set the default value for email form fields.
Contact Form 7’s documentation explains in detail how to set the default value of text fields to $_GET variables passed in the URL; however, as of this writing, it doesn’t tell you that you can also set the default value of a select field by passing the value of the field in the URL.
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A WordPress plugin on one of my client’s sites was filling up the error log with a PHP error “undefined index” for the server variable SCRIPT_NAME. The error persisted through a number of plugin updates. I found that I could work around it by editing the plugin’s code and substituting the server variable PHP_SELF instead of SCRIPT_NAME, but it was a hassle to modify the code for the plugin every time there was an update, and I wanted to find a permanent fix.
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