Subscribe 
Using regular expressions to extract content
PHP provides a number of really neat regular expression functions. You can find the list of the regex function at the PHP site.
But the one that I’ve had most fun with is the preg_match_all() function which I’ve been using to do content extraction from an HTML page.
In: PHP Tutorials · Tagged with: php basics, sample codes, tutorial
Parsing a URL querystring into variables in PHP
It’s common knowledge you can read variable from a URL querystring by using $_GET array in PHP, but that’s only possible if the URL is “executed” in the browser.
For those who might not know, querystrings are those variable-value pairs that appears behind ‘?’ of a URL. For example,
http://www.mysite.com/index.php?variable1=1&variable2=1
gives the querystring “variable1=1&variable2=1″.
What happens if [...]
In: PHP Tutorials · Tagged with: php basics, sample codes, tutorial
Checking a string is alphanumeric in PHP
There may be times when you need a way to check that a string only contains alpha-numeric characters. That means only alphabets A-Z and numbers 0-9.
Most PHP-ers will probably use regular expressions and the function preg_match(). I will admit that regular expressions is really powerful, but it’s a real pain to learn and master. Fortunately [...]
In: PHP Tutorials · Tagged with: php basics, sample codes, tutorial
PHP Operators: Assignment
The main assignment operator is ‘=’, which basically assigns a value on the right to a variable on the left. If you think this is the same as an equal sign in mathematics, don’t! Think of it as a ‘assigned to’ so whatever is on the right is assigned to the left.
Here’s a simple [...]
In: PHP Tutorials · Tagged with: php basics, sample codes, tutorial, variables
PHP Operators: Maths
There are various kinds of operators used in PHP, but we’re going to start with the most basic and commonly known operator – the Math operators.
What are operators? They are basically a special set of characters (or symbols, if you like) which tells PHP to perform a certain operation. For example, the ‘+’ (plus sign) [...]
In: PHP Tutorials · Tagged with: php basics, sample codes, tutorial, variables
Introducing PHP Variables
dsfsdf
In: PHP Tutorials · Tagged with: PHP, sample codes, source code, variables
Writing your first PHP script
Now that you know how to use XAMPP Lite, it’s time to write your first PHP script.
This tutorial will guide you on writing your first PHP script, show you how the PHP syntax is used, and where to put and run your PHP pages in XAMPP.
Note: this tutorial assumes you are using XAMPP Lite environment [...]
In: PHP Tutorials · Tagged with: PHP, sample codes, source code