13 September, 2019 - 11:37 PM
<?php
// EXAMPLE USAGE
for ($i = 0; $i < 100; $i++) {
$array = generate();
echo $array[0];
echo ":";
echo $array[1];
echo "<br>";
}
// FUNCTION
function generate()
{
$digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";
//now we generate a new random ID number using the substrings of the digitList string above
$id = NULL;
$id .= substr($digilist, rand(1, 9), 1); //random number
$id .= substr($digilist, rand(10, 31), 1); //then a letter
$id .= substr($digilist, rand(10, 31), 1); //another letter
$id .= substr($digilist, rand(1, 9), 1); //a number
$id .= substr($digilist, rand(1, 9), 1); //and finally another number - simple :D
//ok so now we need to generate an MD5 hash of our ID
$hash = md5($id);
//cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long)
$i = 0;
$key = NULL;
for ($i; $i < 32; $i+=2)
{
//here we convert the next hex value to an integer and perform a bitwise AND operation against '31'
//31 is the highest substring value in our digit list.
$nextdigit = hexdec(substr($hash, $i, 2)) & 31;
//if 'i' is divisable by 8 (every 4 cycles) then we want to add "-"
if ((($i % 8) == 0) && ($i > 0))
{
$key .= "-".substr($digilist, $nextdigit, 1);
}
else
{
$key .= substr($digilist, $nextdigit, 1);
}
}
$array = array($id, $key);
//return
return $array;
}
?>
<?php
// EXAMPLE USAGE
for ($i = 0; $i < 100; $i++) {
$array = generate();
echo $array[0];
echo ":";
echo $array[1];
echo "<br>";
}
// FUNCTION
function generate()
{
$digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";
//now we generate a new random ID number using the substrings of the digitList string above
$id = NULL;
$id .= substr($digilist, rand(1, 9), 1); //random number
$id .= substr($digilist, rand(10, 31), 1); //then a letter
$id .= substr($digilist, rand(10, 31), 1); //another letter
$id .= substr($digilist, rand(1, 9), 1); //a number
$id .= substr($digilist, rand(1, 9), 1); //and finally another number - simple :D
//ok so now we need to generate an MD5 hash of our ID
$hash = md5($id);
//cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long)
$i = 0;
$key = NULL;
for ($i; $i < 32; $i+=2)
{
//here we convert the next hex value to an integer and perform a bitwise AND operation against '31'
//31 is the highest substring value in our digit list.
$nextdigit = hexdec(substr($hash, $i, 2)) & 31;
//if 'i' is divisable by 8 (every 4 cycles) then we want to add "-"
if ((($i % 8) == 0) && ($i > 0))
{
$key .= "-".substr($digilist, $nextdigit, 1);
}
else
{
$key .= substr($digilist, $nextdigit, 1);
}
}
$array = array($id, $key);
//return
return $array;
}
?>
<?php
// EXAMPLE USAGE
for ($i = 0; $i < 100; $i++) {
$array = generate();
echo $array[0];
echo ":";
echo $array[1];
echo "<br>";
}
// FUNCTION
function generate()
{
$digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";
//now we generate a new random ID number using the substrings of the digitList string above
$id = NULL;
$id .= substr($digilist, rand(1, 9), 1); //random number
$id .= substr($digilist, rand(10, 31), 1); //then a letter
$id .= substr($digilist, rand(10, 31), 1); //another letter
$id .= substr($digilist, rand(1, 9), 1); //a number
$id .= substr($digilist, rand(1, 9), 1); //and finally another number - simple :D
//ok so now we need to generate an MD5 hash of our ID
$hash = md5($id);
//cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long)
$i = 0;
$key = NULL;
for ($i; $i < 32; $i+=2)
{
//here we convert the next hex value to an integer and perform a bitwise AND operation against '31'
//31 is the highest substring value in our digit list.
$nextdigit = hexdec(substr($hash, $i, 2)) & 31;
//if 'i' is divisable by 8 (every 4 cycles) then we want to add "-"
if ((($i % 8) == 0) && ($i > 0))
{
$key .= "-".substr($digilist, $nextdigit, 1);
}
else
{
$key .= substr($digilist, $nextdigit, 1);
}
}
$array = array($id, $key);
//return
return $array;
}
?>
// EXAMPLE USAGE
for ($i = 0; $i < 100; $i++) {
$array = generate();
echo $array[0];
echo ":";
echo $array[1];
echo "<br>";
}
// FUNCTION
function generate()
{
$digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";
//now we generate a new random ID number using the substrings of the digitList string above
$id = NULL;
$id .= substr($digilist, rand(1, 9), 1); //random number
$id .= substr($digilist, rand(10, 31), 1); //then a letter
$id .= substr($digilist, rand(10, 31), 1); //another letter
$id .= substr($digilist, rand(1, 9), 1); //a number
$id .= substr($digilist, rand(1, 9), 1); //and finally another number - simple :D
//ok so now we need to generate an MD5 hash of our ID
$hash = md5($id);
//cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long)
$i = 0;
$key = NULL;
for ($i; $i < 32; $i+=2)
{
//here we convert the next hex value to an integer and perform a bitwise AND operation against '31'
//31 is the highest substring value in our digit list.
$nextdigit = hexdec(substr($hash, $i, 2)) & 31;
//if 'i' is divisable by 8 (every 4 cycles) then we want to add "-"
if ((($i % 8) == 0) && ($i > 0))
{
$key .= "-".substr($digilist, $nextdigit, 1);
}
else
{
$key .= substr($digilist, $nextdigit, 1);
}
}
$array = array($id, $key);
//return
return $array;
}
?>
<?php
// EXAMPLE USAGE
for ($i = 0; $i < 100; $i++) {
$array = generate();
echo $array[0];
echo ":";
echo $array[1];
echo "<br>";
}
// FUNCTION
function generate()
{
$digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";
//now we generate a new random ID number using the substrings of the digitList string above
$id = NULL;
$id .= substr($digilist, rand(1, 9), 1); //random number
$id .= substr($digilist, rand(10, 31), 1); //then a letter
$id .= substr($digilist, rand(10, 31), 1); //another letter
$id .= substr($digilist, rand(1, 9), 1); //a number
$id .= substr($digilist, rand(1, 9), 1); //and finally another number - simple :D
//ok so now we need to generate an MD5 hash of our ID
$hash = md5($id);
//cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long)
$i = 0;
$key = NULL;
for ($i; $i < 32; $i+=2)
{
//here we convert the next hex value to an integer and perform a bitwise AND operation against '31'
//31 is the highest substring value in our digit list.
$nextdigit = hexdec(substr($hash, $i, 2)) & 31;
//if 'i' is divisable by 8 (every 4 cycles) then we want to add "-"
if ((($i % 8) == 0) && ($i > 0))
{
$key .= "-".substr($digilist, $nextdigit, 1);
}
else
{
$key .= substr($digilist, $nextdigit, 1);
}
}
$array = array($id, $key);
//return
return $array;
}
?>
<?php
// EXAMPLE USAGE
for ($i = 0; $i < 100; $i++) {
$array = generate();
echo $array[0];
echo ":";
echo $array[1];
echo "<br>";
}
// FUNCTION
function generate()
{
$digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";
//now we generate a new random ID number using the substrings of the digitList string above
$id = NULL;
$id .= substr($digilist, rand(1, 9), 1); //random number
$id .= substr($digilist, rand(10, 31), 1); //then a letter
$id .= substr($digilist, rand(10, 31), 1); //another letter
$id .= substr($digilist, rand(1, 9), 1); //a number
$id .= substr($digilist, rand(1, 9), 1); //and finally another number - simple :D
//ok so now we need to generate an MD5 hash of our ID
$hash = md5($id);
//cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long)
$i = 0;
$key = NULL;
for ($i; $i < 32; $i+=2)
{
//here we convert the next hex value to an integer and perform a bitwise AND operation against '31'
//31 is the highest substring value in our digit list.
$nextdigit = hexdec(substr($hash, $i, 2)) & 31;
//if 'i' is divisable by 8 (every 4 cycles) then we want to add "-"
if ((($i % 8) == 0) && ($i > 0))
{
$key .= "-".substr($digilist, $nextdigit, 1);
}
else
{
$key .= substr($digilist, $nextdigit, 1);
}
}
$array = array($id, $key);
//return
return $array;
}
?>
