Online PHP editor | rfc for thsIe

@ 2018-06-07T15:16:49Z

<?php
class Guid
{
    private $guid = '';
    public function __construct($guid)
    {
        $this->guid = $guid;
    }

    public static function newGuid()
    {
        return new Guid('35918bc9-196d-40ea-9779-889d79b753f0');
    }

    public function __toString()
    {
        return $this->guid;
    }

    public function toByteArray()
    {
        $str = str_replace('-', '', $this->guid);
        $ints = array_map('hexdec', str_split($str, 2));
        // swap
        $newints = $ints;
        $newints[0] = $ints[3];
        $newints[1] = $ints[2];
        $newints[2] = $ints[1];
        $newints[3] = $ints[0];
        $newints[4] = $ints[5];
        $newints[5] = $ints[4];
        $newints[6] = $ints[7];
        $newints[7] = $ints[6];

        return implode('', array_map('chr', $newints));
    }

    public function printBytes($bytes)
    {
        for ($i = 0; $i < strlen($bytes); $i++) {
            echo strtoupper(dechex(ord($bytes[$i]))).' ';
        }
        echo "\n";
    }
}

$guid = Guid::newGuid();
$str = $guid->toByteArray();
$guid->printBytes($str);

Output for git.master, git.master_jit, rfc.property-hooks: C9 8B 91 35 6D 19 EA 40 97 79 88 9D 79 B7 53 F0

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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