This is the version (2.0) of our earlier post Find connection path between two users in a social network using PHP and http://blog.kunals.com/php-code-find-2-users-connected-friends-social-network/. In this version bidirectional search is performed from both ends/nodes/users and if found path is displayed. This is based on graph traversal, breadth first search (bfs), bi-directional bfs. Nodes are the users and … Read more
This is the second version of our earlier post Find connection path between two users in a social network using PHP. In this version performance issues have been taken care upto some level along with minor tweaks to code to make it more efficient. Initialising start user, end user, maximum level/degree/depth [php] $user_from=1; //start user … Read more
Social networking sites are coming up daily. Users are linked to other users based on various factors like friends, interests, groups, same school, same company, same locality and many more. In all these we are connected to people we know or upto next level that is friends of friends. A need has been identified to … Read more
TicTacToe is an old interesting game played in schools and when people are free. This is a web-based Tic Tac Toe game written in PHP where a user can compete against computer. I’ve been doing a simple Tic-Tac-Toe with PHP, generating only HTML code. I thought to write Tic Tac Toe ion PHP for providing … Read more
Google adsense is being used by publishers to show advertisements on their webpages, websites and web properties. Due to dynamic nature of various web pages some times it happens that more than maximum number of ads are shown than allowed. Like in case of Google Adsense it is 3 and it may happen that you … Read more
It is very easy to give a painting effect to images on your website. Just use simple CSS Sprite logic only or use PHP (or other scripting language like ASP etc.) with CSS Sprite to make it easy and more dynamic. Read more about this effect at Dynamic CSS Sprite implementation gives a Painting effect … Read more
CSS sprites saves many HTTP requests and is a cool way of using images on a webpage. www.kunals.com homepage is created using CSS Sprite along with PHP to give a painting like dynamic effect. The personal home page describes various web attributes in a cloud format, and listing attributes from A-Z. Every time this page … Read more
Often we require to trim/cut a string to desired length. Using a function is suggested as writing code again and would be tedious task. Below is the code of function by which we can cut a string to a desired length without cutting a word (optional) and including a desired symbol at the end of … Read more
There are many ways 2 read XML Feed using PHP. Some basic ways with which this can be done are given below along with code: Basic Way 1 [php] <?php function getFeed($feed_url) { $content = file_get_contents($feed_url); $x = new SimpleXmlElement($content); echo "<ul>"; foreach($x->channel->item as $entry) { echo "<li><a href=’$entry->link’ title=’$entry->title’>" . $entry->title . "</a></li>"; } … Read more
About (in brief) It does not require images but works on text. Now you can protect your pages with the use of Captcha, you can now have some additional security/authetication/nospam to your web pages. Description An easy to implement Captcha Script which does not require images but works on text. Now you can protect your … Read more
