Hello everybody,

I am creating an algorithm to identify the most frequently words on different sentences, using the following code:

// store in $arr_frequencyids all different words
for($i=0; $i<count($arr_phrase); $arr_phrase)
  { array_push($arr_frequencyids,explode(" ",$arr_phrase[$i])); }
// use a hash using words as keys, and increment as frequency
for ($i=0; $i<count($arr_frequencywords); $i++)
  $str_thisword = $arr_frequencywords[$i];
// descendent sort based on values
// store in $arr_20mostusedwords the 20 most frequent words
$arr_20mostusedwords = array_slice(array_keys($hash_frequencywords,0,20));

But... is not working. It is not counting the ocurrences. It stores as a long string, even I used explode or trying a direct array addition (arr1 += arr2).

Warning: Wrong parameter count for array_keys() in /home/mipyme/public_html/jpanel/index.php on line 204 Warning: Wrong parameter count for array_slice() in /home/mipyme/public_html/jpanel/index.php on line 204 Warning: array_slice() [function.array-slice]: The first argument should be an array in /home/mipyme/public_html/jpanel/index.php on line 205

Could you give me some direction? (the information comes from a DB, but for simplifying process I asume an array instead a while DB fetch row)

Thank you,


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