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Cleaning a string

/ Published in: PHP
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Wandelt eine Zeichenkette, die Sonderzeichen enthält, in eine Zeichenkette ohne Sonderzeichen.

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

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  1. function CleaningAString($string)
  2.   {
  3.       //$string = strtolower($string);
  4.  
  5.       // Fix german special chars
  6.       $string = preg_replace('/[äÄ]/', 'ae', $string);
  7.       $string = preg_replace('/[üÜ]/', 'ue', $string);
  8.       $string = preg_replace('/[öÖ]/', 'oe', $string);
  9.       $string = preg_replace('/[ß]/', 'ss', $string);
  10.  
  11.       // Replace other special chars
  12.       $specialCharacters = array(
  13. 	 '#' => 'sharp',
  14. 	 '$' => 'dollar',
  15. 	 '%' => 'prozent',	//'percent',
  16. 	 '&' => 'und',		//'and',
  17. 	 '@' => 'at',
  18. 	 '.' => 'punkt',	//'dot',
  19. 	 '€' => 'euro',
  20. 	 '+' => 'plus',
  21. 	 '=' => 'gleich',	//'equals',
  22. 	 '§' => 'paragraph',
  23.       );
  24.  
  25.       while (list($character, $replacement) = each($specialCharacters)) {
  26.           $string = str_replace($character, '-' . $replacement . '-', $string);
  27.       }
  28.  
  29.       $string = strtr($string, 
  30. 	"ÀÁÂÃÄÅàáâãäåÒÓÔÕÖØòóôõöøÈÉÊËèéêëÇçÌÍÎÏìíîïÙÚÛÜùúûüÿÑñ",
  31. 	"AAAAAAaaaaaaOOOOOOooooooEEEEeeeeCcIIIIiiiiUUUUuuuuyNn"
  32.       );
  33.  
  34.       // Remove all remaining other unknown characters        
  35.       $string = preg_replace('/[^a-zA-Z0-9\-]/', '-', $string);
  36.       $string = preg_replace('/^[\-]+/', '', $string);
  37.       $string = preg_replace('/[\-]+$/', '', $string);
  38.       $string = preg_replace('/[\-]{2,}/', '-', $string);
  39.  
  40.       return $string;
  41.   }

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