Posted By

sammy on 02/07/08

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Last Edited at 02/07/08 07:55am

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Cleaning a string

/ Published in: PHP

Wandelt eine Zeichenkette, die Sonderzeichen enthÃ¤lt, in eine Zeichenkette ohne Sonderzeichen.

Converts a string, the special characters contains in a string without special characters.

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function CleaningAString($string)
  {
      //$string = strtolower($string);
      
      // Fix german special chars
      $string = preg_replace('/[Ã¤Ã„]/', 'ae', $string);
      $string = preg_replace('/[Ã¼Ãœ]/', 'ue', $string);
      $string = preg_replace('/[Ã¶Ã–]/', 'oe', $string);
      $string = preg_replace('/[ÃŸ]/', 'ss', $string);
      
      // Replace other special chars
      $specialCharacters = array(
	 '#' => 'sharp',
	 '$' => 'dollar',
	 '%' => 'prozent',	//'percent',
	 '&' => 'und',		//'and',
	 '@' => 'at',
	 '.' => 'punkt',	//'dot',
	 'â‚¬' => 'euro',
	 '+' => 'plus',
	 '=' => 'gleich',	//'equals',
	 'Â§' => 'paragraph',
      );
      
      while (list($character, $replacement) = each($specialCharacters)) {
          $string = str_replace($character, '-' . $replacement . '-', $string);
      }
      
      $string = strtr($string, 
	"Ã€ÃÃ‚ÃƒÃ„Ã…Ã Ã¡Ã¢Ã£Ã¤Ã¥Ã’Ã“Ã”Ã•Ã–Ã˜Ã²Ã³Ã´ÃµÃ¶Ã¸ÃˆÃ‰ÃŠÃ‹Ã¨Ã©ÃªÃ«Ã‡Ã§ÃŒÃÃŽÃÃ¬ÃÃ®Ã¯Ã™ÃšÃ›ÃœÃ¹ÃºÃ»Ã¼Ã¿Ã‘Ã±",
	"AAAAAAaaaaaaOOOOOOooooooEEEEeeeeCcIIIIiiiiUUUUuuuuyNn"
      );
      
      // Remove all remaining other unknown characters        
      $string = preg_replace('/[^a-zA-Z0-9\-]/', '-', $string);
      $string = preg_replace('/^[\-]+/', '', $string);
      $string = preg_replace('/[\-]+$/', '', $string);
      $string = preg_replace('/[\-]{2,}/', '-', $string);
      
      return $string;
  }

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