- <?php 
-   
- // your code goes here 
-   
- function clean($string) { 
- 	eval('$string = "'.$string.'";'); 
-    $string = str_replace(' ', ' ', $string); // Replaces all spaces with hyphens. 
-    return preg_replace('/[^A-Za-z0-9 @\-]/', '', $string); // Removes special chars. 
- } 
-   
- $d =  clean('this was readlly n'ice 'test for@me to') ; 
- echo $d; 
-   
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