1. Matching an URL There are many regular expressions out there that match an URL, but this is the best I’ve found so far: ‘#((https?://|www\.)([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)#‘ 2. Match email “/[\._a-zA-Z0-9-]+@[\._a-zA-Z0-9-]+/i”
This function extracts the first x characters of a given text, which we get from a database. This is usually performed on posts on a blog, where you don’t want to display the whole post in the homepage, but just let’s say 500 characters of the post. Ok here is the function: function extract($post_id, $length) […]
1. include() 2. isset() 3. mysql_query() 4. mysql_fetch_array() 5. substr()
On 8 June 2010 PHP became 15 years old, keep on going PHP.
“Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice” by Christopher Alexander, architect (the guy in the […]
The main difference between cookies and sessions is that cookies are stored in the user’s browser, and sessions are not. This difference determines what each is best used for. A cookie can keep information in the user’s browser until deleted. If a person has a login and password, this can be set as a cookie […]
If you want to use PHP in your company and your manager favours another solution, or if you are trying to convince a potential client that PHP really is a superior choice for the web, you’re going to need to have a clear-cut set of reasons why you believe PHP is the superior language. This […]