Convert Numbers to Words in Php

Number System

Numbering unit is a simplest terms, the basis upon which all other numbers are defined in Words like Ones, Tens, Hundreds, Thousands, Ten Thousands, Lakhs, Ten Lakhs, Crores, Ten Crores.

123,456,789
9 – Ones 9
8 – Tens 89
7 – Hundreds 789
6 – Thousands 6,789
5 – Ten Thousands 56,789
4 – Lakhs 4,56,789
3 – Ten Lakhs 3,456,789
2 – Crores 23,456,789
1 – Ten Crores 1,23,456,789

Program
In This we can Convert Numbers to words

<?php
	function inwords($number, $true = true) {
		$no = floor($number);
		$point = number_format(number_format($number, 2, '.', '') - $no, 2, '', '');
		$digitpoint = strlen($point);
		$digit = strlen($no);
		//Ones, Tens, Hundreds
		$ones = array(0 => 'Zero', '1' => 'One', '2' => 'Two', '3' => 'Three', '4' => 'Four', '5' => 'Five', '6' => 'Six', '7' => 'Seven', '8' => 'Eight', '9' => 'Nine', '10' => 'Ten');
		$tens = array('11' => 'Eleven', '12' => 'Twelve', '13' => 'Thirteen', '14' => 'Fourteen', '15' => 'Fifteen', '16' => 'Sixteen', '17' => 'Seventeen', '18' => 'Eighteen', '19' => 'Nineteen', '20' => 'Twenty', '30' => 'Thirty', 40 => 'Forty', '50' => 'Fifty', '60' => 'Sixty', '70' => 'Seventy', '80' => 'Eighty', '90' => 'Ninety');
		$hundred = array('', 'Hundred', 'Thousand', 'Lakh', 'Crore');
		$string_word = array();
		$numbers = array_reverse(str_split($no, 1));
		print_r($numbers);
		$i = 0;
		while ($i < $digit) {
			if ($i == 0) {
				if (!isset($numbers[2]) && !isset($numbers[1])) {
					$string_word[] = $ones[$numbers[0]];
				}
			}
			if ($i == 1) {
				$temp = intval($numbers[1] . "" . $numbers[0]);
				$ten = intval($numbers[1] . "0");
				if ($ten == 0 && $temp == 0) {
				} else if ($temp <= 10) {
					$string_word[] = $ones[$temp];
				} else if ($temp > 11 && $temp <= 20) {
					$string_word[] = $tens[$temp];
				} else if (isset($tens[$temp])) {
					$string_word[] = $tens[$temp];
				} else {
					$string_word[] = $tens[$ten] . " " . $ones[$numbers[0]];
				}
			}
			if ($i == 2) {
				if (!isset($numbers[3]) && $numbers[2] != 0) {
					$string_word[] = $ones[$numbers[2]] . " " . $hundred[1];
				}
				if (isset($numbers[3]) && $numbers[2] != 0) {
					$string_word[] = $ones[$numbers[2]] . " " . $hundred[1];
				}
			}
			if ($i == 3 || $i == 4) {
				if (isset($numbers[4])) {
					$temp = intval($numbers[4] . "" . $numbers[3]);
					$ten = intval($numbers[4] . "0");
					echo $temp . "--" . $ten;
					if ($temp == 0 && $ten == 0) {
					} else if ($temp == 10) {
						$string_word[] = $ones[$temp] . " " . $hundred[2];
					} elseif ($temp > 10 && $temp <= 20) {
						$string_word[] = $tens[$temp] . " " . $hundred[2];
					} else {
						$num = ($numbers[3] == 0) ? '' : $ones[$numbers[3]];
						$string_word[] = $tens[$ten] . " " . $num . " " . $hundred[2];
					}
				} else {
					$string_word[] = $ones[$numbers[3]] . " " . $hundred[2];
				}
				$i++;
			}
			if ($i == 5 || $i == 6) {
				if (isset($numbers[6])) {
					$temp = intval($numbers[6] . "" . $numbers[5]);
					$ten = intval($numbers[6] . "0");
					if ($numbers[5] == 0 && $numbers[6] == 0) {
					} elseif ($temp == 10) {
						$string_word[] = $ones[$temp] . " " . $hundred[5];
					} elseif ($temp > 10 && $temp <= 20) {
						$string_word[] = $tens[$temp] . " " . $hundred[5];
					} else {
						$num = ($numbers[5] == 0) ? '' : $ones[$numbers[5]];
						$tens_1 = (!isset($tens[$ten])) ? '' : $tens[$ten];
						$string_word[] = $tens_1 . " " . $num . " " . $hundred[3];
					}
				} else {
					$string_word[] = $ones[$numbers[5]] . " " . $hundred[3];
				}
				$i++;
			}
			if ($i == 7 || $i == 8) {
				if (isset($numbers[8])) {
					$temp = intval($numbers[8] . "" . $numbers[7]);
					$ten = intval($numbers[8] . "0");
					if ($numbers[7] == 0 && $numbers[8] == 0) {
						continue;
					} else if ($temp == 10) {
						$string_word[] = $ones[$temp] . " " . $hundred[4];
					} elseif ($temp > 10 && $temp <= 20) {
						$string_word[] = $tens[$temp] . " " . $hundred[4];
					} else {
						$num = ($numbers[7] == 0) ? '' : $ones[$numbers[7]];
						$string_word[] = $tens[$ten] . " " . $num . " " . $hundred[4];
					}
				} else {
					$string_word[] = $ones[$numbers[7]] . " " . $hundred[4];
				}
				$i++;
			}
			if ($i == 9) {
				$string_word[] = $ones[$numbers[9]] . " " . $hundred[1];
			}
			$i++;
			//$string_word[] = $i;
		}
		$str = array_reverse($string_word);
		return implode(' ', $str);
	}
?>

Demo

Please Comment if any bug or errors in Function.Thank you