Redirect URL's index page to nonindex page

Try to use this important htaccess code for redirecting an URL's index page to non index Url’s. this code is very very important for seo point of view

 RewriteCond %{THE_REQUEST} /index\.html [NC]
RewriteRule ^/?index\.html$ http://www.maindomain.com/$1 [R=301,L]

Redirect URL from subdirectory to sub domain using htaccess

We can redirect URL's from any subdirectory (like maindomain.com/dorectoryname) to a sub domain (subdomain.maindomain.com) using PHP and .htaccess by the subsequent ways.
For example, the .htaccess file is full of rules like the following:

------------------------------------------------------------------------------------------------------------------------

RewriteCond %{HTTP_HOST} ^(www\.)?maindomain\.com$

RewriteRule ^dorectoryname/(.*)$ http://subdomain.maindomain.com/$1 [L,QSA,R=301]

or we can using this code
 

RewriteCond %{REQUEST_URI} ^/dorectoryname

RewriteRule ^(.*)$ http://subdomain.maindomain.com/$1 [R=301,L,P]

How to make account registration with account activation script in PHP

This is a basic and simple user account registration script with account activation script, written in PHP and MySql.

This is a link, which comes from user email, when the user click on itt, then the link goes and redirect to this script.
http://xyz.com/activate.php?key=true&p=fgdsfdjhfyuiobmjioujnllshgfuropvn

Make a page named it as activate.php and paste below stated php code

if($_GET['key'] == true)
{
$key = $_GET['p'];
$sql = "SELECT * FROM users WHERE user_key = '" . $key . "'";
$result = mysql_query($sql) or die(mysql_error());
if(mysql_affected_rows($result) > 0)
{
$sql = "UPDATE users
SET user_key = '', user_active = '1'
WHERE user_key = '" . $key . "'";

$result = mysql_query(sql) or die(mysql_error());

if($result)
{
$_SESSION['PROCESS'] = $lang['Account_activated'];
header("Location: ../index.php");
}
else
{
$_SESSION['ERROR'] = $lang['Key_error'];
header("Location: ../index.php");
}
}
else
{
$_SESSION['ERROR'] = $lang['Invalid_key'];
header("Location: ../index.php");
}

How to generate a random password using php

Here there is a simple example for generate a random password using php, it is quite easy and simple to make.

$length =10; // the length of the required password length
$characters_to_use ="abcdef1234567890"; // characters are to be use in your password
for($i = 0; $i < $length; $i++)
{
$do = mt_rand(0,strlen($characters_to_use)-1);
$password = $password . $characters_to_use{$do};
}

echo $password; // here you can view the password 

Hide navbar from blogger

If you want to hide or remove the navigation bar which is appear on the top region of your blogger, follow these steps

1. Login to your blogger.
2. Click "Designs".
3. Goes to "Template Manager", a template editor will be open.
4. Click on "Advanced" and then "Add css".
5. Then at right side text box areas put the below mentioned css code . and then click on "apply to Blog" option for saving this property to your blogger.

#navbar {
height: 0px;
visibility: hidden;
display: none;
}

6. Watch the changes in your browser.

php web development tools - captcha

Web development tool  CAPTCHA, stands for Completely Automated Public Turing to tell Computers and Humans Apart.

A CAPTCHA is a program that can generate distorted text  that humans can see or listen but computer cannot. 


Applications of CAPTCHA systems
-- Preventing Spam in Blogs.
-- Protecting Website Registration.
-- Search Engine Bots.
-- Worms and Spam.

In web application development we can use the following CAPTCHA systems that are listed below
reCAPTCHA - In this type of CAPTCHA systems user can view the distorted text or also listen the text, now a days it is most popular CAPTCHA systems for web developers

Securimage  : The Securimage Captcha script is free open-source. here the  PHP script is used to generat complex images and complex CAPTCHA alphanumeric codes.

FreeCap - This script support GPL CAPTCHA script systems to stop spam

function with static variables

static variables can not be reset
values can not change after execution
can not accessible through out the programme

function with global variables

accesible through program.
it generates a unique value after execution
can not assign any values at the time of declaring it or using it