急，如何用php对url的参数进行加密解密
由于使用base64_encode()生成的太长，而且太简单，有没有其他方式
------解决方案--------------------
可以尝试用js：
如：js对文字进行编码涉及3个函数：escape,encodeURI,encodeURIComponent，相应3个解码函数：unescape,decodeURI,decodeURIComponent
------解决方案--------------------
base64只是比原字串增加了1/4长度
还觉得长的话，应该从缩短原字串的方向考虑，而不是转换算法
因为即使能保持原字串长度，也难保证都是url适用字符
------解决方案--------------------
原字串的规范客户已经写好，并且还要加密，不可能缩短原字串，只能尽可能保持原长度。base64只是编码，不是加密，也不符合
------解决方案--------------------
这个方法很好，谢谢宝贵意见
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