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36 lines
806 B
36 lines
806 B
3 months ago
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<?php
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namespace app\utility;
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class Base64Utility
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{
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/**
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* URL base64 decoding
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* '-' -> '+'
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* '_' -> '/'
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* The remainder of the string length %4, supplemented with '='
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* @param base64 $string
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*/
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public static function Decode($string) {
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$data = str_replace(array('-','_'),array('+','/'),$string);
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$mod4 = strlen($data) % 4;
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if ($mod4) {
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$data .= substr('====', $mod4);
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}
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return base64_decode($data);
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}
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/**
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* URL base64 encoding
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* '+' -> '-'
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* '/' -> '_'
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* '=' -> ''
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* @param raw $string
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*/
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public static function Encode($string) {
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$data = base64_encode($string);
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$data = str_replace(array('+','/','='),array('-','_',''),$data);
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return $data;
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}
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}
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