Online PHP editor | rfc for gQKLF

@ 2017-07-17T20:03:42Z

<?php

class CookieCodec {
    /**
     * All characters valid in a cookie according to https://tools.ietf.org/html/rfc6265 and we have additionally
     * removed % (used for escape sequences) and + (which, if not encoded, is interpreted as space in cookies by PHP,
     * but there's no equivalent built-in JS decoding function, so we escape it to make decoding equivalent in both
     * cases).
     */
    private const COOKIE_CHARSET = '!#$&\'()*-./0123456789:<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~';

    public static function encode($string) {
        $string = (string) $string;
        $output = '';
        for ($i = 0, $m = \strlen($string); $i < $m; $i++) {
            $char = $string[$i];
            if (\strpos(self::COOKIE_CHARSET, $char) === false) {
                $ord = \ord($char);
                $code = \strtoupper(\dechex($ord));
                $output .= $ord > 15 ? "%$code" : "%0$code";
            } else {
                $output .= $char;
            }
        }
        return $output;
    }
}

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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