Online PHP editor | output for 9OKB2

@ 2017-07-03T17:46:04Z

<?php
$email = htmlentities('cal@gmail.com', ENT_QUOTES);

					$private_key = '6KzVA_2qy'; //possible de la changer

function base64_url_encode($input) {
 return strtr(base64_encode($input), '+/=', '-_,');
}

function base64_url_decode($input) {
 return base64_decode(strtr($input, '-_,', '+/='));
}



		            function f_crypt($private_key, $str_to_crypt) {
						$private_key = md5($private_key);
						$letter = -1;
						$new_str = '';
						$strlen = strlen($str_to_crypt);

						for ($i = 0; $i < $strlen; $i++) {
							$letter++;
							if ($letter > 31) {
								$letter = 0;
							}
							$neword = ord($str_to_crypt{$i}) + ord($private_key{$letter});
							if ($neword > 255) {
								$neword -= 256;
							}
							$new_str .= chr($neword);
						}
						return base64_url_encode($new_str);
					}



f_crypt($private_key, $email);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/9OKB2 on line 27
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/9OKB2 on line 27
Process exited with code 255.
Output for 7.4.0 - 7.4.33: Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/9OKB2 on line 27 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/9OKB2 on line 27
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33

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