Autolink Keywords: Automatically creates links for content keywords

Note:
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The output of the automatic keyword generator will used as an input to this class thus its inclusion on this class files.


TO DO:
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1. Create a list of keyword and corresponding link.

$keyword_array = array( 
"security" => "http://myscripts.itsp.info", 
"state" => "http://myscripts.itsp.info", 
"technology" => "http://myscripts.itsp.info", 
"passport" => "http://myscripts.itsp.info", 
"department" => "http://myscripts.itsp.info", 
"passports" => "http://myscripts.itsp.info", 
"radio" => "http://myscripts.itsp.info", 
"bruce" => "http://myscripts.itsp.info" 
);

This list could be an output from a database query.

Example1 shows this method.

2. Create a file for list of keyword and corresponding link. The file
"linkedKeywords.php" shows how to do this. A php file is used for better security.

Example2 shows this method.

3. Autolink class includes an "id" and "class" for easy formatting of linked keywords.

4. Replacement type: 

CASE INSENSITIVE: $type = "i";
*This type of replacement is on example 1.

CASE SENSITIVE: $type = NULL
*This type of replacement is on example 2.
*This is the recommended replacement type to prevent proper words being replaced with 
lower case letters.