35 lines
924 B
PHP
35 lines
924 B
PHP
<?php
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// UriBase64Serialiser.php
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// Created: 2022-01-13
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// Updated: 2022-02-27
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namespace Index\Serialisation;
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use Index\IO\Stream;
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/**
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* Provides URL-safe Base64 encoding.
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*/
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class UriBase64Serialiser extends Serialiser {
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/**
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* Encodes binary data as a Base64 string.
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*
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* @param string $input Input binary data.
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* @return string Base64 string representing the binary data.
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*/
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public function serialise(mixed $input): string {
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return rtrim(strtr(base64_encode((string)$input), '+/', '-_'), '=');
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}
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/**
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* Decodes a Base64 string back to binary data.
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*
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* @param Stream|string $input Input Base64 string.
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* @return string Binary data.
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*/
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public function deserialise(Stream|string $input): mixed {
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$input = (string)$input;
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return base64_decode(str_pad(strtr($input, '-_', '+/'), strlen($input) % 4, '=', STR_PAD_RIGHT));
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}
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}
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