php中addslashes()和addclashes()函數的區別分析

來源:互聯網
上載者:User
  1. //向字串中的特定字元添加反斜線
  2. $str = "Hello, my name is John Adams.";
  3. echo $str;
  4. echo addcslashes($str,'m');
  5. echo addcslashes($str,'J');
  6. ?>
複製代碼

輸出:

  1. //向字串中的預定義字元添加反斜線
  2. $str = "Who's John Adams?";
  3. echo $str . " This is not safe in a database query.
    ";
  4. echo addslashes($str) . " This is safe in a database query.";
  5. ?>
複製代碼

輸出:

Who's John Adams? This is not safe in a database query.Who\'s John Adams? This is safe in a database query.

對於函數addslashes()和addclashes(),都有對應的去除反斜線的方法,分別為:stripcslashes函數和stripslashes函數。有興趣的朋友,也可以研究下。

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