By default JetPack adds a nofollow attribute to all links in the related posts section. You can use this PHP code snippet to remove/disable this nofollow attribute.
PHP
Get Notified When Someone Logs In To WordPress
By default, WordPress doesn’t come with suspicious login notifications and two factor authentication. We use plugins (or custom code) for these things. This piece of code notifies you when a user logs in to your site. Good for websites with few users.
Random User Agent Generator [PHP]
This code will select a random user agent from a predefined list of valid user agent strings. It’s useful for building certain types of web crawlers or cache warming bots. It helps bypass firewalls that reject requests missing a user agent string.
Azure SDK For PHP: How To Work With Service Management APIs
This guide will show you how to programmatically perform common service management tasks from PHP. It focuses on the ServiceManagementRestProxy class in the official Microsoft Azure SDK for PHP.
Check If An Email Address Has A Valid Gravatar Using PHP
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.
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.