<?php
 
function unidad($numuero){
switch ($numuero)
{
case 9:
{
$numu = "NUEVE";
break;
}
case 8:
{
$numu = "OCHO";
break;
}
case 7:
{
$numu = "SIETE";
break;
}
case 6:
{
$numu = "SEIS";
break;
}
case 5:
{
$numu = "CINCO";
break;
}
case 4:
{
$numu = "CUATRO";
break;
}
case 3:
{
$numu = "TRES";
break;
}
case 2:
{
$numu = "DOS";
break;
}
case 1:
{
$numu = "UNO";
break;
}
case 0:
{
$numu = "";
break;
}
}
return $numu;
}
 
function decena($numdero){
 
if ($numdero >= 90 && $numdero <= 99)
{
$numd = "NOVENTA ";
if ($numdero > 90)
$numd = $numd."Y ".(unidad($numdero - 90));
}
else if ($numdero >= 80 && $numdero <= 89)
{
$numd = "OCHENTA ";
if ($numdero > 80)
$numd = $numd."Y ".(unidad($numdero - 80));
}
else if ($numdero >= 70 && $numdero <= 79)
{
$numd = "SETENTA ";
if ($numdero > 70)
$numd = $numd."Y ".(unidad($numdero - 70));
}
else if ($numdero >= 60 && $numdero <= 69)
{
$numd = "SESENTA ";
if ($numdero > 60)
$numd = $numd."Y ".(unidad($numdero - 60));
}
else if ($numdero >= 50 && $numdero <= 59)
{
$numd = "CINCUENTA ";
if ($numdero > 50)
$numd = $numd."Y ".(unidad($numdero - 50));
}
else if ($numdero >= 40 && $numdero <= 49)
{
$numd = "CUARENTA ";
if ($numdero > 40)
$numd = $numd."Y ".(unidad($numdero - 40));
}
else if ($numdero >= 30 && $numdero <= 39)
{
$numd = "TREINTA ";
if ($numdero > 30)
$numd = $numd."Y ".(unidad($numdero - 30));
}
else if ($numdero >= 20 && $numdero <= 29)
{
if ($numdero == 20)
$numd = "VEINTE ";
else
$numd = "VEINTI".(unidad($numdero - 20));
}
	else if ($numdero >= 10 && $numdero <= 19)
	{
		switch ($numdero){
			case 10:
			{
				$numd = "DIEZ ";
				break;
			}
			case 11:
			{
				$numd = "ONCE ";
				break;
			}
			case 12:
			{
				$numd = "DOCE ";
				break;
			}
			case 13:
			{
				$numd = "TRECE ";
				break;
			}
			case 14:
			{
				$numd = "CATORCE ";
				break;
			}
			case 15:
			{
				$numd = "QUINCE ";
				break;
			}
			case 16:
			{
				$numd = "DIECISEIS ";
				break;
			}
			case 17:
			{
				$numd = "DIECISIETE ";
				break;
			}
			case 18:
			{
				$numd = "DIECIOCHO ";
				break;
			}
			case 19:
			{
				$numd = "DIECINUEVE ";
				break;
			}
		}
	}
	else
		$numd = unidad($numdero);
	return $numd;
}
 
function centena($numc){
	if ($numc >= 100)
	{
		if ($numc >= 900 && $numc <= 999)
		{
			$numce = "NOVECIENTOS ";
		if ($numc > 900)
			$numce = $numce.(decena($numc - 900));
		}
		else if ($numc >= 800 && $numc <= 899)
		{
			$numce = "OCHOCIENTOS ";
			if ($numc > 800)
				$numce = $numce.(decena($numc - 800));
		}
		else if ($numc >= 700 && $numc <= 799)
		{
				$numce = "SETECIENTOS ";
			if ($numc > 700)
				$numce = $numce.(decena($numc - 700));
		}
		else if ($numc >= 600 && $numc <= 699)
		{
				$numce = "SEISCIENTOS ";
			if ($numc > 600)
				$numce = $numce.(decena($numc - 600));
		}
		else if ($numc >= 500 && $numc <= 599)
		{
				$numce = "QUINIENTOS ";
			if ($numc > 500)
				$numce = $numce.(decena($numc - 500));
		}
		else if ($numc >= 400 && $numc <= 499)
		{
			$numce = "CUATROCIENTOS ";
			if ($numc > 400)
				$numce = $numce.(decena($numc - 400));
		}
		else if ($numc >= 300 && $numc <= 399)
		{
				$numce = "TRESCIENTOS ";
			if ($numc > 300)
				$numce = $numce.(decena($numc - 300));
		}
		else if ($numc >= 200 && $numc <= 299)
		{
		$numce = "DOSCIENTOS ";
		if ($numc > 200)
			$numce = $numce.(decena($numc - 200));
		}
		else if ($numc >= 100 && $numc <= 199)
		{
			if ($numc == 100)
				$numce = "CIEN ";
			else
				$numce = "CIENTO ".(decena($numc - 100));
		}
	}
	else
		$numce = decena($numc);
 
	return $numce;
}
 
function miles($nummero){
	if ($nummero >= 1000 && $nummero < 2000){
		$numm = "MIL ".(centena($nummero%1000));
	}
	if ($nummero >= 2000 && $nummero <10000){
		$numm = unidad(Floor($nummero/1000))." MIL ".(centena($nummero%1000));
	}
	if ($nummero < 1000)
		$numm = centena($nummero);
 
	return $numm;
}
 
function decmiles($numdmero){
	if ($numdmero == 10000)
		$numde = "DIEZ MIL";
	if ($numdmero > 10000 && $numdmero <20000){
		$numde = decena(Floor($numdmero/1000))."MIL ".(centena($numdmero%1000));
	}
	if ($numdmero >= 20000 && $numdmero <100000){
		$numde = decena(Floor($numdmero/1000))." MIL ".(miles($numdmero%1000));
	}
	if ($numdmero < 10000)
	$numde = miles($numdmero);
 
	return $numde;
}
 
function cienmiles($numcmero){
	if ($numcmero == 100000)
		$num_letracm = "CIEN MIL";
	if ($numcmero >= 100000 && $numcmero <1000000){
		$num_letracm = centena(Floor($numcmero/1000))." MIL ".(centena($numcmero%1000));
	}
	if ($numcmero < 100000)
		$num_letracm = decmiles($numcmero);
	return $num_letracm;
}
 
function millon($nummiero){
	if ($nummiero >= 1000000 && $nummiero <2000000){
		$num_letramm = "UN MILLON ".(cienmiles($nummiero%1000000));
	}
	if ($nummiero >= 2000000 && $nummiero <10000000){
		$num_letramm = unidad(Floor($nummiero/1000000))." MILLONES ".(cienmiles($nummiero%1000000));
	}
	if ($nummiero < 1000000)
		$num_letramm = cienmiles($nummiero);
 
	return $num_letramm;
}
 
function decmillon($numerodm){
	if ($numerodm == 10000000)
		$num_letradmm = "DIEZ MILLONES";
	if ($numerodm > 10000000 && $numerodm <20000000){
		$num_letradmm = decena(Floor($numerodm/1000000))."MILLONES ".(cienmiles($numerodm%1000000));
	}
	if ($numerodm >= 20000000 && $numerodm <100000000){
		$num_letradmm = decena(Floor($numerodm/1000000))." MILLONES ".(millon($numerodm%1000000));
	}
	if ($numerodm < 10000000)
		$num_letradmm = millon($numerodm);
 
	return $num_letradmm;
}
 
function cienmillon($numcmeros){
	if ($numcmeros == 100000000)
		$num_letracms = "CIEN MILLONES";
	if ($numcmeros >= 100000000 && $numcmeros <1000000000){
		$num_letracms = centena(Floor($numcmeros/1000000))." MILLONES ".(millon($numcmeros%1000000));
	}
	if ($numcmeros < 100000000)
		$num_letracms = decmillon($numcmeros);
	return $num_letracms;
}
 
function milmillon($nummierod){
	if ($nummierod >= 1000000000 && $nummierod <2000000000){
		$num_letrammd = "MIL ".(cienmillon($nummierod%1000000000));
	}
	if ($nummierod >= 2000000000 && $nummierod <10000000000){
		$num_letrammd = unidad(Floor($nummierod/1000000000))." MIL ".(cienmillon($nummierod%1000000000));
	}
	if ($nummierod < 1000000000)
		$num_letrammd = cienmillon($nummierod);
 
	return $num_letrammd;
}
 
function convertir($numero,$moneda,$descripcion){
	$tempnum = explode('.',$numero);
 
	if ($tempnum[0] !== ""){
		$numf = milmillon($tempnum[0]);
			if ($numf == "UNO")
					{   
						$numf = substr($numf, 0, -1);
						/*if($moneda == 'MXN'){
						    $Ps = " PESO ";
						}
						if($moneda == 'USD'){
							$Ps = " DOLAR ";
						}*/
					}
					/*else
					{
						if($moneda == 'MXN'){
						    $Ps = " PESOS ";
						}
						if($moneda == 'USD'){
							$Ps = " DOLARES ";
						}
					}*/
		$TextEnd = $numf;
		$TextEnd .= " ".strtoupper($descripcion)." ";
	}
	if ($tempnum[1] == "" || $tempnum[1] >=  100)
		{
			$tempnum[1] = "00" ;
		}
	$TextEnd .= $tempnum[1] ;
	$TextEnd .= "/100 ".$moneda;
return $TextEnd;
}