Password Encryption and Decryption Technique in PHP

I’ve noticed that many of my friends are storing password in database without encrypting them. This is really a bad technique because if somebody who has access of the database can easily know the password of the particular person.

The best functions available in PHP for encryption are md5() and sha1(). These both are one way encryping mechanism i.e the string encrypted with md5() or sha1() can’t be decrypted to original string. You might be then wondering how to validate the original string with the encrypted string then you can do this by encrypting the original string and compare both string,

Slider Using PHP, Ajax And Javascript

Have you been searching for the slider script and implementing it in Ajax with PHP then you are in the right place buddy.Here is the post for you in which I’ve implemented javascript slider to work in Ajax using PHP. Ok let’s Begin it by creating the following tables in the database. Here is the mysql code to create the table named “tbl_slider” in database.

CREATE TABLE `tbl_slider` (
  `id` smallint(6) NOT NULL auto_increment,
  `slider_val` smallint(6) NOT NULL default '0',
  PRIMARY KEY  (`id`)
) TYPE=MyISAM   ;

Getting real IP address in PHP

Are you using $_SERVER[‘REMOTE_ADDR’] to find the the client’s IP address in PHP? Well dude, you might be amazed to know that it may not return the true IP address of the client at all time. If your client is connected to the Internet through Proxy Server then $_SERVER[‘REMOTE_ADDR’] in PHP just returns the the IP address of the proxy server not of the client’s machine. So here is a simple function in PHP to find the real IP address of the client’s machine. There are extra Server variable which might be available to determine the exact IP address of the client’s machine in PHP, they are HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR.