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Convert a 64 bit number

This is a function to convert a 64 bit number since base_convert will choke on a number that size

Submitted By: PsychoCoder

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Rating:

Views: 7,537

Language: PHP

Last Modified: March 9, 2008

Instructions: Pass the function you wish to convert

Snippet

//function to convert a 64 bit number
function convert_64Bit ($str)
{
$str = (string) $str;
while (!preg_match('/^0*$/', $str) && $j < 65)
{
$start_value = '';
$remainder = '';
//loop through the length of the number
for ($count = 0; $count < strlen($str); $count++)
{
//check the value of our start_value, if it's
//empty we need to keep looping
if ($start_value == '')
{
//check the value of our values divided by 2
if (floor(($str[$count] + $remainder) / 2))
{
$start_value .= floor(($str[$count] + $remainder) / 2);
}
}
else
{
$start_value .= floor(($str[$count] + $remainder) / 2);
}
$remainder = $str [$count] % 2 * 10;
}
//assign our temp variable ($x) with the value of
//$remainder value divided by 10
$x = floor($remainder / 10);
$final_value .= $num;
$str = $start_value;
$j++;
}
return $final_value;
}

Copy & Paste

//function to convert a 64 bit number
function convert_64Bit ($str) 
{
     $str = (string) $str;
     while (!preg_match('/^0*$/', $str) && $j < 65) 
     {
         $start_value = '';
         $remainder = '';
         //loop through the length of the number
         for ($count = 0; $count < strlen($str); $count++) 
         {
             //check the value of our start_value, if it's
             //empty we need to keep looping
             if ($start_value == '') 
             {
                 //check the value of our values divided by 2
                 if (floor(($str[$count] + $remainder) / 2)) 
                 {
                      $start_value .= floor(($str[$count] + $remainder) / 2);
                 }
             } 
             else 
             {
                 $start_value .= floor(($str[$count] + $remainder) / 2);
             }
             $remainder = $str [$count] % 2 * 10;
         }
         //assign our temp variable ($x) with the value of
         //$remainder value divided by 10
         $x = floor($remainder / 10);
         $final_value .= $num;
         $str = $start_value;
         $j++;
     }  
 return $final_value;
}