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<?php class Base64Url { /** * @param $str string * * @return string */ public static function encode($str) { $std = @base64_encode($str); if ($std === false) { throw new \Exception('base64_encode() failed'); } return rtrim(strtr($std, '+/', '-_'), '='); } /** * @param $str string * * @return string */ public static function decode($str) { $result = ''; if ($str !== null) { if (!is_string($str)) { throw new \Exception('Only strings can be decoded'); } $std = strtr($str, '-_', '+/').str_repeat('=', strlen($str) % 4); $result = base64_decode($std, true); if ($result === false) { throw new \Exception('base64_decode() failed'); } } return $result; } } $ph = '{"typ":"JWT",' . "\n ". '"alg":"HS256"}'; echo Base64Url::encode($ph);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
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223.25 ms | 404 KiB | 319 Q