php modification, extract keywords density function

the script attached only accepts url of the website i need ONLY the functions on ONE FILE (e.g. [login to view URL]) to be: function keyworddensity($text){ .... $phrases['one two three']=>3; //number of occureneces for top phrase with three words = 3; $phrases['one two']=>3; //number of occurences for top phrase with two words = 3; $phrases['one']=>4; //number of occurences for top phrase with one word = 4; return ($phrases); } that's all. pls give ur quote. chat /msg me if possible