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Truncate a string

/ Published in: PHP
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  1. /**
  2.  * Truncate a string to a certain length if necessary,
  3.  * optionally splitting in the middle of a word, and
  4.  * appending the $etc string or inserting $etc into the middle.
  5.  * @param string 
  6.  * @param integer 
  7.  * @param string 
  8.  * @param boolean 
  9.  * @param boolean 
  10.  * @return string 
  11.  */
  12. function truncate($string, $length = 80, $etc = '...',$break_words = false, $middle = false) {
  13. 	if ($length == 0)
  14. 		return '';
  15. 	if (strlen($string) > $length) {
  16. 		$length -= min($length, strlen($etc));
  17. 		if (!$break_words && !$middle) {
  18. 			$string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
  19. 		}
  20. 		if(!$middle) {
  21. 			return substr($string, 0, $length) . $etc;
  22. 		} else {
  23. 		return substr($string, 0, $length/2) . $etc . substr($string, -$length/2);
  24. 		}
  25. 	} else {
  26. 		return $string;
  27. 	}
  28. }

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