---
title: "php实现base64加密解密的代码"
date: 2010-11-04T18:48:36.000Z
tags: ["base64", "base64加密", "base64解密", "PHP", "PHP加密", "PHP解密", "代码", "加密", "解密"]
categories: ["技术"]
canonical: https://www.zhaojian.net/php-base64-encryption-decryption/
author: 赵健
---

在PHP中我们可以直接使用PHP自带的函数 base64_encode() 和 base64_decode() 进行加密和解密，废话不说了，我们直接进入正题：

例子 1\. base64_encode() 示例


```
<?php
$str = 'This is an encoded string';
echo base64_encode($str);
?>
```


此示例将显示：VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==

例子 2\. base64_decode() 示例


```
<?php
$str = 'VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==';
echo base64_decode($str);
?>
```

此示例将显示：This is an encoded string

PHP参数调用整合。


```
<?php
$str = $url;
echo base64_decode($str);
?>
```