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@ 2013-11-19T21:47:49Z

<?php
function encode($string,$key) {
    $key = sha1($key);
    $strLen = strlen($string);
    $keyLen = strlen($key);
    for ($i = 0; $i < $strLen; $i++) {
        $ordStr = ord(substr($string,$i,1));
        if ($j == $keyLen) { $j = 0; }
        $ordKey = ord(substr($key,$j,1));
        $j++;
        $hash .= strrev(base_convert(dechex($ordStr + $ordKey),16,36));
    }
    return $hash;
}

function decode($string,$key) {
    $key = sha1($key);
    $strLen = strlen($string);
    $keyLen = strlen($key);
    for ($i = 0; $i < $strLen; $i+=2) {
        $ordStr = hexdec(base_convert(strrev(substr($string,$i,2)),36,16));
        if ($j == $keyLen) { $j = 0; }
        $ordKey = ord(substr($key,$j,1));
        $j++;
        $hash .= chr($ordStr - $ordKey);
    }
    return $hash;
}
echo encode("i:1:1",3029);
echo decode(encode("i:1:1",3029),3040);
?>

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined variable $j in /in/DWhHo on line 8 Warning: Undefined variable $j in /in/DWhHo on line 9 Deprecated: substr(): Passing null to parameter #2 ($offset) of type int is deprecated in /in/DWhHo on line 9 Warning: Undefined variable $j in /in/DWhHo on line 10 Warning: Undefined variable $hash in /in/DWhHo on line 11 p533q273t2 Warning: Undefined variable $j in /in/DWhHo on line 8 Warning: Undefined variable $j in /in/DWhHo on line 9 Deprecated: substr(): Passing null to parameter #2 ($offset) of type int is deprecated in /in/DWhHo on line 9 Warning: Undefined variable $j in /in/DWhHo on line 10 Warning: Undefined variable $hash in /in/DWhHo on line 11 Warning: Undefined variable $j in /in/DWhHo on line 22 Warning: Undefined variable $j in /in/DWhHo on line 23 Deprecated: substr(): Passing null to parameter #2 ($offset) of type int is deprecated in /in/DWhHo on line 23 Warning: Undefined variable $j in /in/DWhHo on line 24 Warning: Undefined variable $hash in /in/DWhHo on line 25 j:4

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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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