Familiar with levenshtein() ?

[Kane250]

Hi,

 

I did find search results on this - but they don't seem to do what I want to do, and could really use a hand getting this code started if anyone is familiar with this function.  Basically, I am taking a paragraph of text, splitting it up into sentences and into an array, and inserting each one by one into a table.

 

However, there is a high probability of very similar text or exact text to be re-inserted over and over, so what I want to do is use the levenshtein function to check against the database for similarity and only allow it to insert if it's a certain percentage different (or however you define it).

 

Basically, I know that I need an array of what's already in my database, and that the function should compare the array of sentences against that array, but I don't really get how to use this function to make the decision of it passing through or not...

 

Any help is very much appreciated!  Here is the relevant code I want to add this too..

 

$para1content = "these would be sentences. More sentences.";
$para1exploded = (split('[.!?] ', $para1content));

foreach ($para1exploded as $content) {	
	     $query = "INSERT INTO `$value` (`text`, `key`, `added_at`) VALUES ('$content', '$key', CURRENT_TIMESTAMP)";

	if (!mysql_query($query,$conn))
	{
		die('Error=' . mysql_error());
	}
};