Break down number into thousands,hundreds,etc - php

Question

I'm currently putting together a cheque printing solution for my company. When printing the cheque you need to print the number of millions,hundred thousands,ten thousands,thousands, hundreds,tens and units (pounds/dollars/euros etc ) from the amount being paid.
In the case of 111232.23 the following is correctly output from the code I have written below. I cant help feeling that there is a more efficient or reliable method of doing this? Does anyone know of a library/class math technique that does this?
float(111232.23)
Array
(
[100000] => 1
[10000] => 1
[1000] => 1
[100] => 2
[10] => 3
[1] => 2
)
<?php
$amounts = array(111232.23,4334.25,123.24,3.99);
function cheque_format($amount)
{
var_dump($amount);
#no need for millions
$levels = array(100000,10000,1000,100,10,1);
do{
$current_level = current($levels);
$modulo = $amount % $current_level;
$results[$current_level] = $div = number_format(floor($amount) / $current_level,0);
if($div)
{
$amount -= $current_level * $div;
}
}while($modulo && next($levels));
print_r($results);
}
foreach($amounts as $amount)
{
cheque_format($amount);
}
?>

Answer 1

I think you just re-wrote the number_format function that PHP has. My suggestion is to use the PHP function rather than to re-write it.
<?php
$number = 1234.56;
// english notation (default)
$english_format_number = number_format($number);
// 1,235
// French notation
$nombre_format_francais = number_format($number, 2, ',', ' ');
// 1 234,56
$number = 1234.5678;
// english notation without thousands separator
$english_format_number = number_format($number, 2, '.', '');
// 1234.57
?>

Answer 2

I'm not sure exactly what the PHP script would be for this, but if you have 10000, 1000, 100, 10, 1 as the things you need the amounts of. How many 10,000's in amount $dollar?
floor($dollar/10000)
how many thousands?
floor(($dollar%10000)/1000)
etc.

Answer 3

This is not the answer for the question, but the following also break down the decimals.
function cheque_format($amount, $decimals = true, $decimal_seperator = '.')
{
var_dump($amount);
$levels = array(100000, 10000, 1000, 100, 10, 5, 1);
$decimal_levels = array(50, 20, 10, 5, 1);
preg_match('/(?:\\' . $decimal_seperator . '(\d+))?(?:[eE]([+-]?\d+))?$/', (string)$amount, $match);
$d = isset($match[1]) ? $match[1] : 0;
foreach ( $levels as $level )
{
$level = (float)$level;
$results[(string)$level] = $div = (int)(floor($amount) / $level);
if ($div) $amount -= $level * $div;
}
if ( $decimals ) {
$amount = $d;
foreach ( $decimal_levels as $level )
{
$level = (float)$level;
$results[$level < 10 ? '0.0'.(string)$level : '0.'.(string)$level] = $div = (int)(floor($amount) / $level);
if ($div) $amount -= $level * $div;
}
}
print_r($results);
}