WP-Mix

A fresh mix of code snippets and tutorials

Category Archive: PHP

Posts about PHP

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PHP Get Actual IP Address

Here are a couple of quick snippets to get the visitor’s actual IP address via PHP.

Check for PHP cURL

Quick snippet for checking whether or not PHP’s cURL is available on the server.

Truncate Database Table

Quick SQL code snippet that enables you to truncate any MySQL database table.

Find duplicate email addresses in WordPress

This tutorial explains how to find duplicate email addresses in your WordPress database. That way you can delete or modify as needed.

Get All User Email Addresses in WordPress

Putting together a mailing list? Here is an easy way to get all user email addresses from your WordPress database.

PHP Error Log Tricks

Super useful trick for customizing error logs when working with PHP.

Strip Slashes from PHP Magic Quotes

Here are a couple of functions to strip or remove slashes (i.e., backslashes) from variables when PHP magic quotes are enabled on the server.

Date and Time with PHP and WordPress

This post explains the difference between displaying the date and time with PHP vs. displaying the date and time with WordPress.

Add Custom Info to PHP System Log

Here is a quick function for adding custom information to the system log via PHP.

Recursively display images via PHP

Here is an easy way to display all images in a directory — including images contained in sub-directories.

Add links to HTML/CSS Validator

Here are some notes and markup examples for adding links to the W3C’s online HTML and CSS validators. This will enable your visitors to check any page on your site.

PHP: Target IE less than 9

Recently I haven’t had time to bother with old versions of IE (less than 9), so I use the following PHP function to target IE 6, 7 and 8.

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About the Author

Jeff Starr is a professional developer, designer, author, and publisher with over 15 years of experience. He writes books and tutorials, develops plugins, and runs his own business.

About the Site

WP-Mix is where I share code snippets, tricks, and tips. WP-Mix was launched in October 2012, and now features 421 posts. You can check out the latest post published on Feb 4, 2025. Learn more ›

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