URL安全的字符串base64编码和解码
- WBOYOriginal
- 2016-06-07 11:45:531653browse
如果直接使用base64_encode和base64_decode方法的话，生成的字符串可能不适用URL地址。下面的方法可以解决该问题：
URL安全的字符串编码：function urlsafe_b64encode($string) {<br>
$data = base64_encode($string);<br>
$data = str_replace(array('+','/','='),array('-','_',''),$data);<br>
return $data;<br>
}URL安全的字符串解码：function urlsafe_b64decode($string) {<br>
$data = str_replace(array('-','_'),array('+','/'),$string);<br>
$mod4 = strlen($data) % 4;<br>
if ($mod4) {<br>
$data .= substr('====', $mod4);<br>
}<br>
return base64_decode($data);<br>
}
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