sodium_bin2base64

(PHP 7 >= 7.2.0, PHP 8)

sodium_bin2base64 — Encodes a raw binary string with base64.

说明

sodium_bin2base64(string $string, int $id): string

Converts a raw binary string into a base64-encoded string. Unlike base64_encode(), sodium_bin2base64() is constant-time (a property that is important for any code that touches cryptographic inputs, such as plaintexts or keys) and supports multiple character sets.

参数

string

Raw binary string.

id

SODIUM_BASE64_VARIANT_ORIGINAL for standard (A-Za-z0-9/\+) Base64 encoding.
SODIUM_BASE64_VARIANT_ORIGINAL_NO_PADDING for standard (A-Za-z0-9/\+) Base64 encoding, without = padding characters.
SODIUM_BASE64_VARIANT_URLSAFE for URL-safe (A-Za-z0-9\-_) Base64 encoding.
SODIUM_BASE64_VARIANT_URLSAFE_NO_PADDING for URL-safe (A-Za-z0-9\-_) Base64 encoding, without = padding characters.

返回值

Base64-encoded string.

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User Contributed Notes 1 note

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davidw at example dot com ¶

3 years ago


bin: The data you wish to encode
id: The variant of encoding to use, which can be one of the following constants. You'll need to reuse this value when decoding with sodium_base642bin.

SODIUM_BASE64_VARIANT_ORIGINAL            = 1
SODIUM_BASE64_VARIANT_ORIGINAL_NO_PADDING = 3
SODIUM_BASE64_VARIANT_URLSAFE             = 5
SODIUM_BASE64_VARIANT_URLSAFE_NO_PADDING  = 7

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官方地址：https://www.php.net/manual/en/function.sodium-bin2base64.php

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sodium_bin2base64

说明

参数

返回值

User Contributed Notes 1 note