PHP

Varnish is a HTTP accelerator (or reverse proxy). Its very much capable of processing 100,000 requests in a sec. Most likely quicker then Drupal, even with page caching on. Want to see how it works?   Cache hit User requests a URL Varnish checks it’s cache Varnish retrieves the data …

This is the age of information technology. There are two most crucial & critical factors which could make or break any online business are availability and super faster loading of web pages. Hence, as a webmaster, you must need to ensure that the end-user experience of your website is robust, …

I faced the problem when I was configuring the Drupal for Facebook module to add a Facebook registration form.   I tried couple of things but none of them worked. So after banging my head I found out that this is due to “GET request limit” set in your server …

In Drupal AHAH is the best practice for adding removing from elements dynamically  I am not going to explain the basics if anyone want to learn what is AHAH go to http://drupal.org/node/331941. I have been using apply for role module in the registration form. I got a task form my client …

When site starting to get bigger with thousands of users and millions of records in database and lots of traffic performance becomes a major issue. Drupal is very powerful tool but it requires some fine tuning. I have built sites with thousands of users and hundreds of modules. What is …

We needed to get the description of a site automatically from its url after parsing the HTML markup, for one of the Drupal sites we were working on. This is a task that can be easily accomplished by using the PHP curl library. Read on to know how to use …

There are so far 6 ways of Getting webpage content (full HTML) in PHP are most commonly used. The methods are using file() fuction using file_get_contents() function using fopen()->fread()->fclose() functions using curl using fsockopen() socket mode using Third party library (Such as “snoopy”) 1. file() <?php $url='http://blog.oscarliang.net'; // using file() function to …

The word “crawling” has become synonymous with any way of getting data from the web programmatically. But true crawling is actually a very specific method of finding URLs, and the term has become somewhat confusing. Before we go into too much detail, let me just say that this post assumes …