PHP 清理数据以防止SQL注入攻击

Posted 2021-05-15

1. function sanitize($data)  
   2. {  
   3. // remove whitespaces (not a must though)  
   4. $data = trim($data);   
   5.   
   6. // apply stripslashes if magic_quotes_gpc is enabled  
   7. if(get_magic_quotes_gpc())  
   8. {  
   9. $data = stripslashes($data);  
  10. }  
  11.   
  12. // a mySQL connection is required before using this function  
  13. $data = mysql_real_escape_string($data);  
  14.   
  15. return $data;  
  16. }