base64_decode_tostring()base64_decode_tostring()

将 base64 字符串解码为 UTF-8 字符串。Decodes a base64 string to a UTF-8 string.

语法Syntax

base64_decode_tostring(String)base64_decode_tostring(String)

参数Arguments

  • String :输入要从 base64 解码为 UTF-8 字符串的字符串。String : Input string to be decoded from base64 to UTF8-8 string.

返回Returns

返回从 base64 字符串解码的 UTF-8 字符串。Returns UTF-8 string decoded from base64 string.

示例Example

print Quine=base64_decode_tostring("S3VzdG8=")
QuineQuine
KustoKusto

如果尝试对通过无效 UTF-8 编码生成的 base64 字符串进行解码,将返回 null:Trying to decode a base64 string that was generated from invalid UTF-8 encoding will return null:

print Empty=base64_decode_tostring("U3RyaW5n0KHR0tGA0L7Rh9C60LA=")
Empty