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- function vn_to_str ($str){
- $unicode = array(
- 'a'=>'á|à|ả|ã|ạ|ă|ắ|ặ|ằ|ẳ|ẵ|â|ấ|ầ|ẩ|ẫ|ậ',
- 'd'=>'đ',
- 'e'=>'é|è|ẻ|ẽ|ẹ|ê|ế|ề|ể|ễ|ệ',
- 'i'=>'í|ì|ỉ|ĩ|ị',
- 'o'=>'ó|ò|ỏ|õ|ọ|ô|ố|ồ|ổ|ỗ|ộ|ơ|ớ|ờ|ở|ỡ|ợ',
- 'u'=>'ú|ù|ủ|ũ|ụ|ư|ứ|ừ|ử|ữ|ự',
- 'y'=>'ý|ỳ|ỷ|ỹ|ỵ',
- 'A'=>'Á|À|Ả|Ã|Ạ|Ă|Ắ|Ặ|Ằ|Ẳ|Ẵ|Â|Ấ|Ầ|Ẩ|Ẫ|Ậ',
- 'D'=>'Đ',
- 'E'=>'É|È|Ẻ|Ẽ|Ẹ|Ê|Ế|Ề|Ể|Ễ|Ệ',
- 'I'=>'Í|Ì|Ỉ|Ĩ|Ị',
- 'O'=>'Ó|Ò|Ỏ|Õ|Ọ|Ô|Ố|Ồ|Ổ|Ỗ|Ộ|Ơ|Ớ|Ờ|Ở|Ỡ|Ợ',
- 'U'=>'Ú|Ù|Ủ|Ũ|Ụ|Ư|Ứ|Ừ|Ử|Ữ|Ự',
- 'Y'=>'Ý|Ỳ|Ỷ|Ỹ|Ỵ',
- );
- foreach($unicode as $nonUnicode=>$uni){
- $str = preg_replace("/($uni)/i", $nonUnicode, $str);
- }
- $str = str_replace(' ','_',$str);
- return $str;
- }
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