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run code in 300+ PHP versions simultaneously

@ 2013-09-12T17:14:09Z

<?php

$chanstring =  "\x01-07 / %x08-09 / %x0B-0C / %x0E-1F / %x21-2B / %x2D-39 / %x3B-FF";


function arrFromString($string) {
    $explosion = explode('-',$string);
    $lower = str_split($explosion[0]);
    $upper = str_split($explosion[1]);

    $arr = array();
	$curr = $lower;
    while (implode('',$curr) != implode('',$upper)) {
        $arr[] = chr(hexdec(implode('',$curr)));
        if (is_numeric($curr[1])) {
            $curr[1]++;
            if ($curr[1] > 9) {
                $curr[1] = 'A';
            }
        } else {
            $curr[1] = chr(ord($curr[1]) + 1);
            if ($curr[1] === 'G') {
                $curr[1] = 0;

                if (is_numeric($curr[0])) {
                    $curr[0]++;
                    if ($curr[0] > 9) {
                        $curr[0] = 'A';
                    }
                } else {
            		$curr[0] = chr(ord($curr[0]) + 1);
                    if ($curr[0] == 'G') {
                        break;
                    }
                }
            }
        }
    }
    $arr[] = chr(hexdec(implode('',$curr)));
    return implode(' - ',$arr);
}

echo implode(' / ',array_map('arrFromString', array('01-07','08-09','0B-0C','0E-1F','21-2B','2D-39','3B-FF')));

Output for git.master, git.master_jit, rfc.property-hooks: - - - - - - / - / - / - - - - - - - - - - - - - - - - - / ! - " - # - $ - % - & - ' - ( - ) - * - + / - - . - / - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 / ; - < - = - > - ? - @ - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - [ - \ - ] - ^ - _ - ` - a - b - c - d - e - f - g - h - i - j - k - l - m - n - o - p - q - r - s - t - u - v - w - x - y - z - { - | - } - ~ - - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - � - �

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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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