<?php
function decimal($i)
{
	if ($i == 1)
		{
		return 3;
		}
	elseif ($i == 5 || $i == 6 || $i == 4)
		{
		return 5;
		}
	elseif ($i == 7)
		{
		return 7;
		}
	else
		{
		return 6;
		}
}
function onedigit($i)
{
	if ($i == 1 || $i == 2 || $i == 6)
		{
		return 3;
		}
	elseif ($i == 4 || $i == 5 || $i == 9)
		{
		return 4;
		}
	elseif ($i == 0)
		{
		return 0;
		}
	else
		{
		return 5;
		}
}
function twodigit($i)
{
	if ($i == 14 || $i == 16 || $i == 17 || $i == 19)
		{
		if ($i == 16)
			{
			return 7;
			}
		elseif ($i == 17)
			{
			return 9;
			}
		else
			{
			return 8;
			}
		}
	else
		{
		return onedigit(substr($i,1,1))+decimal(substr($i,0,1));
		}
}
function threedigit($i)
{
	if (substr($i,1,1) != 0 && substr($i,2,1) != 0)
		return onedigit(substr($i,0,1))+10+twodigit(substr($i,1,2));
	elseif (substr($i,1,1) == 0 && substr($i,2,1) != 0)
		return onedigit(substr($i,0,1))+10+onedigit(substr($i,2,1));
	else
		return onedigit(substr($i,0,1))+7;
}
 
$length=0;
$limit=999;
 
for ($i=1; $i<$limit+1; $i++)
	{
	if (strlen($i) == 1)
		$length += onedigit($i);
	elseif (strlen($i) == 2)
		$length += twodigit($i);
	else
		$length += threedigit($i);
	}
echo $length+11;//Here i add "One thousand"
?>

function threedigit($i)
{
	if (substr($i,1,1) != 0 && substr($i,2,1) != 0)
		return onedigit(substr($i,0,1))+10+twodigit(substr($i,1,2));
	elseif (substr($i,1,1) == 0 && substr($i,2,1) != 0)
		return onedigit(substr($i,0,1))+10+onedigit(substr($i,2,1));
	elseif (substr($i,1,1) != 0 && substr($i,2,1) == 0)
		return onedigit(substr($i,0,1))+10+twodigit(substr($i,1,2));
	else
		return onedigit(substr($i,0,1))+7;
}

$ones = array(
	1 => 'One',
	2 => 'Two',
	3 => 'Three',
	4 => 'Four',
	5 => 'Five',
	6 => 'Six',
	7 => 'Seven',
	8 => 'Eight',
	9 => 'Nine'
);
$teens = array(
	1 => 'Eleven',
	2 => 'Twelve',
	3 => 'Thirteen',
	4 => 'Fourteen',
	5 => 'Fifteen',
	6 => 'Sixteen',
	7 => 'Seventeen',
	8 => 'Eighteen',
	9 => 'Nineteen'
);
$tens = array(
	1 => 'Ten',
	2 => 'Twenty',
	3 => 'Thirty',
	4 => 'Fourty',
	5 => 'Fifty',
	6 => 'Sixty',
	7 => 'Seventy',
	8 => 'Eighty',
	9 => 'Ninety'
);
 
function number( $i ) {
	global $ones,$teens,$tens;
	$n = str_split( $i );
	switch(count($n)) {
		case 1:
			$str = $ones[$n[0]];
		break;
		case 2:
			if ( $n[1] == 0 ) {
				$str = $tens[$n[0]];
			}
			elseif ( $i > 10 && $i < 20 ) {
				$str = $teens[$n[1]];
			}
			else {
				$str = $tens[$n[0]] . ' ' . $ones[$n[1]];
			}
		break;
		case 3:
			$str = "{$ones[$n[0]]} Hundred";
			if (  intval($n[1].$n[2]) !== 0 ) {
				$str .= ' and ' . number( intval($n[1].$n[2]) );
			}
		break;
		case 4:
			$str = "{$ones[$n[0]]} Thousand";
		break;
	}
	return $str;
}
 
$total = 0;
$i = 1;
while( $i <= 1000 ) {
	$str = number( $i );
	$total += strlen( str_replace(' ','',$str) );
	echo $str . '<br />';
	$i++;
}
 
echo $total;

$tens = array(
	1 => 'Ten',
	2 => 'Twenty',
	3 => 'Thirty',
	4 => 'Fourty',
	5 => 'Fifty',
	6 => 'Sixty',
	7 => 'Seventy',
	8 => 'Eighty',
	9 => 'Ninety'
);