33 lines
1.1 KiB
PHP
33 lines
1.1 KiB
PHP
<?php
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// UriBase64.php
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// Created: 2022-01-13
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// Updated: 2024-07-31
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namespace Index;
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/**
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* Provides URL-safe Base64 encoding.
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*/
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final class UriBase64 {
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/**
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* Encodes data with URI-safe MIME base64.
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*
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* @param string $string The data to encode.
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* @return string The encoded data, as a string.
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*/
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public static function encode(string $string): string {
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return rtrim(strtr(base64_encode($string), '+/', '-_'), '=');
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}
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/**
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* Decodes data encoded with URI-safe MIME base64.
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*
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* @param string $string The encoded data.
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* @param bool $strict If the strict parameter is set to true then the base64_decode() function will return false if the input contains character from outside the base64 alphabet. Otherwise invalid characters will be silently discarded.
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* @return string|false Returns the decoded data or false on failure. The returned data may be binary.
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*/
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public static function decode(string $string, bool $strict = false): string|false {
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return base64_decode(str_pad(strtr($string, '-_', '+/'), strlen($string) % 4, '=', STR_PAD_RIGHT));
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}
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}
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