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Sanitize user input PHP

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The function returns the "sanitized" version of user input. Use before putting variables into SQL code.

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  1. function sanitize($data)
  2. {
  3. 	$data = trim($data); 
  4. 	if(get_magic_quotes_gpc())
  5. 	{
  6. 		$data = stripslashes($data);
  7. 	}
  8. 	$data = mysql_real_escape_string($data);
  9. 	return $data;
  10. }
  11.  
  12. //example
  13. $username = sanitize($_POST['username']);

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