PHP code snippet to test whether a user has a valid Gravatar or not. The only input needed is the user’s email address. It uses MD5 hashing and URI response headers.
PHP
Fix For “Function create_function() is deprecated” In PHP 7.2
As of PHP 7.2 create_function() has been deprecated because of its usage of eval() – which in itself is a security hole. Even though applications that use create_function() may still work, you should replace it with an anonymous function instead.
PHP Code To Get ASIN From Amazon US Product URL
Quick PHP code snippet to extract an Amazon product ASIN code or ISBN number from any Amazon US product URL. Works via a regular expression and the “preg_match” function.
Working With AJAX In WordPress
AJAX has become THE way to build user friendly and dynamic websites. With AJAX, you can update the contents of a page without doing a full page reload. Most websites need this behavior. Read this post to learn how to implement AJAX on WordPress sites.
How To Install PHP Packages Without Composer
Many people play with PHP without necessarily being professional developers. For such people, package managers may make coding seem too complicated. This article shows how to bypass the Composer barrier when installing Composer-dependent PHP packages.
Two Useful Restrictions To Place On Non-Admin WordPress Accounts
Code snippets to restrict authors and contributors of multi-author WordPress websites. The first piece of code prevents them from seeing content assigned to other users. The second ensures that users can only see post counts of their own content.