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Jan 17th, 2018
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  1. function vn_to_str ($str){
  2.  
  3. $unicode = array(
  4.  
  5. 'a'=>'á|à|ả|ã|ạ|ă|ắ|ặ|ằ|ẳ|ẵ|â|ấ|ầ|ẩ|ẫ|ậ',
  6.  
  7. 'd'=>'đ',
  8.  
  9. 'e'=>'é|è|ẻ|ẽ|ẹ|ê|ế|ề|ể|ễ|ệ',
  10.  
  11. 'i'=>'í|ì|ỉ|ĩ|ị',
  12.  
  13. 'o'=>'ó|ò|ỏ|õ|ọ|ô|ố|ồ|ổ|ỗ|ộ|ơ|ớ|ờ|ở|ỡ|ợ',
  14.  
  15. 'u'=>'ú|ù|ủ|ũ|ụ|ư|ứ|ừ|ử|ữ|ự',
  16.  
  17. 'y'=>'ý|ỳ|ỷ|ỹ|ỵ',
  18.  
  19. 'A'=>'Á|À|Ả|Ã|Ạ|Ă|Ắ|Ặ|Ằ|Ẳ|Ẵ|Â|Ấ|Ầ|Ẩ|Ẫ|Ậ',
  20.  
  21. 'D'=>'Đ',
  22.  
  23. 'E'=>'É|È|Ẻ|Ẽ|Ẹ|Ê|Ế|Ề|Ể|Ễ|Ệ',
  24.  
  25. 'I'=>'Í|Ì|Ỉ|Ĩ|Ị',
  26.  
  27. 'O'=>'Ó|Ò|Ỏ|Õ|Ọ|Ô|Ố|Ồ|Ổ|Ỗ|Ộ|Ơ|Ớ|Ờ|Ở|Ỡ|Ợ',
  28.  
  29. 'U'=>'Ú|Ù|Ủ|Ũ|Ụ|Ư|Ứ|Ừ|Ử|Ữ|Ự',
  30.  
  31. 'Y'=>'Ý|Ỳ|Ỷ|Ỹ|Ỵ',
  32.  
  33. );
  34.  
  35. foreach($unicode as $nonUnicode=>$uni){
  36.  
  37. $str = preg_replace("/($uni)/i", $nonUnicode, $str);
  38.  
  39. }
  40. $str = str_replace(' ','_',$str);
  41.  
  42. return $str;
  43.  
  44. }
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