ThaiSEOBoard.com

function tothai($number)
{
	$t1 = array('ศูนย์', 'หนึ่ง', 'สอง', 'สาม', 'สี่', 'ห้า', 'หก', 'เจ็ด', 'แปด', 'เก้า');
	$t2 = array('เอ็ด', 'ยี่', 'สิบ', 'ร้อย', 'พัน', 'หมื่น', 'แสน', 'ล้าน');
	$zerobahtshow = 0;
	(string) $number;
	$number = explode('.', $number);
	
	if(!empty($number[1]))
		if(strlen($number[1]) == 1)
		{
			$number[1] .= '0';
		}
		
		else if(strlen($number[1]) > 2)
		{
			$number[1] = ($number[1]{2} < 5) ? substr($number[1], 0, 2) : $number[1]{0}.($number[1]{1}+1);
		}
	
	for($i=0; $i<count($number); $i++)
	{
		$countnum[$i] = strlen($number[$i]);
		if($countnum[$i] <= 7)
		{
			$var[$i][] = $number[$i];
		}
		
		else
		{
			$loopround = ceil($countnum[$i]/6);
			for($j = 1; $j <= $loopround; $j++)
			{
				if($j == 1)
				{
					$slen = 0;
					$elen = $countnum[$i]-(($loopround-1)*6);
				}
				
				else
				{
					$slen = $countnum[$i]-((($loopround+1)-$j)*6);
					$elen = 6;
				}
				$var[$i][] = substr($number[$i], $slen, $elen);
			}
		}
	
		$nstring[$i] = "";
		for($k = 0; $k < count($var[$i]); $k++)
		{
			if($k > 0) 
				$nstring[$i] .= $t2[7];
			
			$val = $var[$i][$k];
			$tnstring = "";
			$countval = strlen($val);
			
			for($l = 7; $l >= 2; $l--)
			{
				if($countval >= $l)
				{
					$v = substr($val, -$l, 1);
					
					if($v > 0)
					{
						if($l == 2 && $v == 1)
						{
							$tnstring .= $t2[($l)];
						}
						
						else if($l == 2 && $v == 2)
						{
							$tnstring .= $t2[1].$t2[($l)];
						}
						
						else
						{
							$tnstring .= $t1[$v].$t2[($l)];
						}
					}
				}
			}
			
			if($countval >= 1)
			{
				$v = substr($val, -1, 1);
				if($v > 0)
					$tnstring .= ($v == 1 && $countval > 1 && substr($val, -2, 1) > 0) ? $t2[0] : $t1[$v];
			}
			
			$nstring[$i] .= $tnstring;
		}
	}
	
	$rstring = '';
	
	if(!empty($nstring[0]) || $zerobahtshow == 1 || empty($nstring[1]))
	{
		if($nstring[0] == '') 
			$nstring[0] = $t1[0];
		$rstring .= $nstring[0].'บาท';
	}
	
	$rstring .= (count($number) == 1 || empty($nstring[1])) ? 'ถ้วน'  : $nstring[1] . 'สตางค์';
		
	return $rstring;
}

echo tothai(1455);