Michael,

You could create a hash of all words in each article, then compare two articles and score based on the percentage of words that don't appear in both articles.

Would something like PHP's similar_text function work for you?

Michael,

I was suggesting comparing a hash of words, so that the order of words as well as the number of times each word appears, will not be relevant.

The score will be based on the percentage of unique words that appear in one article but not the other.

Hi Michael,

Never said anything about a spinning syntax.

Just wrote up this sample code for you:

<?php
$article1 = "This is a sentence.";
$article2 = "A sentence is this";

$hash1 = BuildWordHash($article1);
$hash2 = BuildWordHash($article2);

echo "The two articles are ".CompareWordHash($hash1, $hash2)."% alike\r\n";

function BuildWordHash($body)
{
$words = array();

// Get rid of garbage
$body = str_replace(array(",",".",":",";"),array("","","", ""),$body);

// Build hash
$arr_words = explode(" ", $body);
foreach ($arr_words as $word)
$words[] = strtolower($word);

return $words;
}

function CompareWordHash($arr_words1, $arr_words2)
{
// Initialize
$unique_words = 0;

// Set these for easier access
$total_words = count(array_merge($arr_words1,$arr_words2));

// Start from arr_words1
foreach ($arr_words1 as $word)
if (!in_array(strtolower($word),$arr_words2))
{
unset($arr_words1[$word]);
$unique_words++;
}


// Now move on to arr_words2
foreach ($arr_words2 as $word)
if (!in_array(strtolower($word),$arr_words1))
{
unset($arr_words2[$word]);
$unique_words++;
}

// Set these for easier access
$percentage = number_format((1-($unique_words / $total_words))*100,0);

return $percentage;
}
?>

Enjoy!

Hi Michael,

You're welcome :-)

Not sure how good TheBestSpinner is, but the code I pasted works

I have spend a lot of time in spinning articles but i found it is just wastage of time you can write article on notepad2 it will help you a lot in writing articles.

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