<?php
function numberTowords($num)
{

$ones = array(
0 =>"ZERO",
1 => "ONE",
2 => "TWO",
3 => "THREE",
4 => "FOUR",
5 => "FIVE",
6 => "SIX",
7 => "SEVEN",
8 => "EIGHT",
9 => "NINE",
10 => "TEN",
11 => "ELEVEN",
12 => "TWELVE",
13 => "THIRTEEN",
14 => "FOURTEEN",
15 => "FIFTEEN",
16 => "SIXTEEN",
17 => "SEVENTEEN",
18 => "EIGHTEEN",
19 => "NINETEEN",
"014" => "FOURTEEN"
);
$tens = array( 
0 => "ZERO",
1 => "TEN",
2 => "TWENTY",
3 => "THIRTY", 
4 => "FORTY", 
5 => "FIFTY", 
6 => "SIXTY", 
7 => "SEVENTY", 
8 => "EIGHTY", 
9 => "NINETY" 
); 
$hundreds = array( 
"HUNDRED", 
"THOUSAND", 
"MILLION", 
"BILLION", 
"TRILLION", 
"QUARDRILLION" 
); /*limit t quadrillion */
$num = number_format($num,2,".",","); 
$num_arr = explode(".",$num); 
$wholenum = $num_arr[0]; 
$decnum = $num_arr[1]; 
$whole_arr = array_reverse(explode(",",$wholenum)); 
krsort($whole_arr,1); 
$rettxt = ""; 
foreach($whole_arr as $key => $i){
	
while(substr($i,0,1)=="0")
		$i=substr($i,1,5);
if($i < 20){ 
/* echo "getting:".$i; */
$rettxt .= $ones[$i]; 
}elseif($i < 100){ 
if(substr($i,0,1)!="0")  $rettxt .= $tens[substr($i,0,1)]; 
if(substr($i,1,1)!="0") $rettxt .= " ".$ones[substr($i,1,1)]; 
}else{ 
if(substr($i,0,1)!="0") $rettxt .= $ones[substr($i,0,1)]." ".$hundreds[0]; 
if(substr($i,1,1)!="0")$rettxt .= " ".$tens[substr($i,1,1)]; 
if(substr($i,2,1)!="0")$rettxt .= " ".$ones[substr($i,2,1)]; 
} 
if($key > 0){ 
$rettxt .= " ".$hundreds[$key]." "; 
}
} 
if($decnum > 0){
$rettxt .= " and ";
if($decnum < 20){
$rettxt .= $ones[$decnum];
}elseif($decnum < 100){
$rettxt .= $tens[substr($decnum,0,1)];
$rettxt .= " ".$ones[substr($decnum,1,1)];
}
}
return $rettxt;
}
extract($_POST);
if(isset($convert))
{
echo numberTowords("$num");
}
?>