Array question

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I am trying to make some kind of tag system. The job of my code would be to extract the words of a text, substruct the common words (eg. in, the, of, my, I, you, etc) and then count how much times each word is repeated and keep the X of them.

My first idea is to do something like this :

Code:

<?php
function getTags($txt){
 $badWords = array('in', 'i', 'me', 'you', 'of' );//...........
 $txt = explode (' ', strtolower ( $txt ));
 $tags = array();
 foreach ( $txt as $tag )
 {
  if ( !in_array ( $tag, $badWords ) )
  {
     if ( in_array ( $tag, $tags ) )
       $tags[$tag] += 1;
     else
       $tags[$tag] = 1;
  }
 }
 return $tags;
}
?>
[/php]

The result of this would be an array of this type : tag => times repeated

Then I should somehow short the array. Can you give me some ideas?

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maybe you should use the words as key items:

Code:

$tags['you']...

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That's what I've used. But I am not sure how I will sort the array then.

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 http://www.php.net/ksort

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Thanks

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Thanks

does it work for you?

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Finally I decided to make a different algorith, as the previous was very resources consuming.

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