SEO Friendly URLs with PHP

Database
Sample database blog table columns id, title, body and url.

CREATE TABLE blog
(
id INT PRIMARY KEY AUTO_INCREMENT,
title TEXT UNIQUE,
body TEXT,
url TEXT UNIQUE,
);

Publish.php
Contains PHP code. Converting title text to friendly url formate and storing into blog table.

<?php
include('db.php');
function string_limit_words($string, $word_limit)
{
$words = explode(' ', $string);
return implode(' ', array_slice($words, 0, $word_limit));
}

if($_SERVER["REQUEST_METHOD"] == "POST")
{
$title=mysql_real_escape_string($_POST['title']);
$body=mysql_real_escape_string($_POST['body']);
$title=htmlentities($title);
$body=htmlentities($body);
$date=date("Y/m/d");
//Title to friendly URL conversion
$newtitle=string_limit_words($title, 6); // First 6 words
$urltitle=preg_replace('/[^a-z0-9]/i',' ', $newtitle);
$newurltitle=str_replace(" ","-",$newtitle);
$url=$date.'/'.$newurltitle.'.html'; // Final URL
//Inserting values into my_blog table
mysql_query("insert into blog(title,body,url) values('$title','$body','$url')");
}
?>
//HTML Part
<form method="post" action="">
Title:
<input type="text" name="title"/>
Body:
<textarea name="body"></textarea>
<input type="submit" value=" Publish "/>
</form>

Article.php
Contains HTML and PHP code. Displaying content from blog table.

<?php
include('db.php');
if($_GET['url'])
{
$url=mysql_real_escape_string($_GET['url']);
$url=$url.'.html'; //Friendly URL
$sql=mysql_query("select title,body from blog where url='$url'");
$count=mysql_num_rows($sql);
$row=mysql_fetch_array($sql);
$title=$row['title'];
$body=$row['body'];
}
else
{
echo '404 Page.';
}
?>
//HTML Part
<body>
<?php
if($count)
{
echo "<h1>$title</h1><div class='body'>$body</div>";
}
else
{
echo "<h1>404 Page.</h1>";
}
?>
</body>

.htaccess
URL rewriting file. Redirecting original URL 9lessons.info/article.php?url=test.html to 9lessons.info/test.html

RewriteEngine On

RewriteRule ^([a-zA-Z0-9-/]+).html$ article.php?url=$1
RewriteRule ^([a-zA-Z0-9-/]+).html/$ article.php?url=$1

db.php
Database configuration file, just modify database credentials.

<?php
$mysql_hostname = "localhost";
$mysql_user = "username";
$mysql_password = "password";
$mysql_database = "database";
$prefix = "";
$bd = mysql_connect($mysql_hostname, $mysql_user, $mysql_password) or die("Opps some thing went wrong");
mysql_select_db($mysql_database, $bd) or die("Opps some thing went wrong");
?>

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SEO Friendly URLs with PHP

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