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A PHP function to return the first N words from a string

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  1. function shorten_string($string, $wordsreturned)
  2. /*  Returns the first $wordsreturned out of $string.  If string
  3. 	contains more words than $wordsreturned, the entire string
  4. 	is returned.*/
  5. {
  6. 	$retval = $string;	//	Just in case of a problem
  7. 	$array = explode(" ", $string);
  8. 	/*  Already short enough, return the whole thing*/
  9. 	if (count($array)<=$wordsreturned)
  10. 	{
  11. 		$retval = $string;
  12. 	}
  13. 	/*  Need to chop of some words*/
  14. 	else
  15. 	{
  16. 		array_splice($array, $wordsreturned);
  17. 		$retval = implode(" ", $array)." ...";
  18. 	}
  19. 	return $retval;
  20. }

URL: http://www.nutt.net/2004/12/29/php-a-function-to-return-the-first-n-words-from-a-string/

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