PHP Tutorials — Basics

often need to covert mobile numbers into a UK international format of 44 followed by the number such as 442548951486 the numbers I work with can be in a mixed format some without a starting 0 others with 44 and same with spaces, so I wrote function that will convert a number

Though it is usually advisable to use some sort of framework or CMS, sometimes a project is small enough such that those options would weigh down the development. However, even in smaller projects, separating presentational elements from backend querying should not be ignored. This tutorial will walk you through creating a basic class-based querying engine for PHP and MySQL.

Syntax defines the structure of a document, meaning it's important to understand basic PHP syntax when starting out

I still remember the time I was a PHP beginner, these little constant things were always a source of confusion. I remember attempting to overwrite their values like you do with variables and being presented with an unfriendly error. What on earth could their use be?

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References are a useful tool in PHP, read this article to learn what they are and how they can be used.

This tutorial teaches you how to protect and encode your PHP files

In this tutorial I will show you a very simple yet extremely useful way to monitor a site's content for changes, even if the site doesn't have and RSS or Atom feed. This technique comes in handy very often!

In this article I will show you how to use PHP regular expressions in your own PHP scripts.

If you are a PHP developer, I'm sure you know the str_replace function for replacing strings and are probably aware that you can pass an array of strings as the search strings and an array as the replacements. What this post looks at is a way of using a single associative array instead of two arrays, which makes dealing with a large number of replacements much more maintainable in your code.