Online PHP editor | rfc for HfSlh

@ 2017-07-08T09:13:21Z

<?php

error_reporting(E_ALL);
ini_set('display_errors', 1);

session_start();

$crcTable = NULL;

function make64int($high,$low)
{
    return ($high<<32) | $low;
}

function right_shift($value)
{
    $sign = (1<<63) & $value;
    return ($value >> 1) ^ $sign;
}

function makeCRCTable()
{
    global $crcTable;
    
    $crcTable = array();

    for ($n = 0; $n < 0x100; $n++)
    {
        $c = $n;
        for($k = 0; $k < 16; $k++)
        {
            $c = ($c&1 ? make64int(0xC96C5795,0xD7870F42) ^ right_shift($c) : right_shift($c));
        }
        $crcTable[$n] = $c;
    }
}

function checkCRC($data)
{
    global $crcTable;
    if ( $crcTable == NULL )
        makeCRCTable();
    
    $crc = make64int(0xFFFFFFFF,0xFFFFFFFF);

    for($i=0; $i<strlen($data); $i++)
    {
        $crc = (($crc << 8) ^ $crcTable[($crc ^ ord($data[$i])) & 0xFF])&make64int(0xFFFFFFFF,0xFFFFFFFF);
    }
        
    return $crc ^ make64int(0xFFFFFFFF,0xFFFFFFFF);
}


if($_SERVER["REQUEST_METHOD"] == "POST")
{
    $myusername=urldecode($_POST['username']);
    $mypassword=urldecode($_POST['password']);
    if( $myusername == 'admin' and checkCRC($mypassword) == make64int(0xDF3EB920,0xCBBCB200) )
    {
        $_SESSION['loggedin'] = true;
        header("Location: index.php");
        exit();
    }
    else
    {
        echo 'Invalid Login/Password<br>';
    }
}

?>
<form action="" method="post">
<label>UserName :</label>
<input type="text" name="username" value="admin"/><br />
message.html(make64int(0xDF3EB920,0xCBBCB200).Tostring())
<label>Password :</label>
<input type="password" name="password" maxlength="8"/><br />
<input type="submit" value="Submit"/><br /><br />
</form>
<a href=login.php.txt>view source</a>

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined array key "REQUEST_METHOD" in /in/HfSlh on line 55 <form action="" method="post"> <label>UserName :</label> <input type="text" name="username" value="admin"/><br /> message.html(make64int(0xDF3EB920,0xCBBCB200).Tostring()) <label>Password :</label> <input type="password" name="password" maxlength="8"/><br /> <input type="submit" value="Submit"/><br /><br /> </form> <a href=login.php.txt>view source</a>

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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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