This script will convert numbers to words. It also contains an example.<\/p>\n
The function can accept big numbers also, both positive and negative.<\/p>\n
Enjoy coding.<\/p>\n
function convert_number_to_words($number) {<\/code><\/p>\n$hyphen = '-';
\n$conjunction = ' and ';
\n$separator = ', ';
\n$negative = 'negative ';
\n$decimal = ' point ';
\n$dictionary = array(
\n0 => 'zero',
\n1 => 'one',
\n2 => 'two',
\n3 => 'three',
\n4 => 'four',
\n5 => 'five',
\n6 => 'six',
\n7 => 'seven',
\n8 => 'eight',
\n9 => 'nine',
\n10 => 'ten',
\n11 => 'eleven',
\n12 => 'twelve',
\n13 => 'thirteen',
\n14 => 'fourteen',
\n15 => 'fifteen',
\n16 => 'sixteen',
\n17 => 'seventeen',
\n18 => 'eighteen',
\n19 => 'nineteen',
\n20 => 'twenty',
\n30 => 'thirty',
\n40 => 'fourty',
\n50 => 'fifty',
\n60 => 'sixty',
\n70 => 'seventy',
\n80 => 'eighty',
\n90 => 'ninety',
\n100 => 'hundred',
\n1000 => 'thousand',
\n1000000 => 'million',
\n1000000000 => 'billion',
\n1000000000000 => 'trillion',
\n1000000000000000 => 'quadrillion',
\n1000000000000000000 => 'quintillion'
\n);<\/code><\/p>\nif (!is_numeric($number)) {
\nreturn false;
\n}<\/code><\/p>\nif (($number >= 0 && (int) $number < 0) || (int) $number < 0 - PHP_INT_MAX) {
\n\/\/ overflow
\ntrigger_error(
\n'convert_number_to_words only accepts numbers between -' . PHP_INT_MAX . ' and ' . PHP_INT_MAX,
\nE_USER_WARNING
\n);
\nreturn false;
\n}<\/code><\/p>\nif ($number < 0) {
\nreturn $negative . convert_number_to_words(abs($number));
\n}<\/code><\/p>\n$string = $fraction = null;<\/code><\/p>\nif (strpos($number, '.') !== false) {
\nlist($number, $fraction) = explode('.', $number);
\n}<\/code><\/p>\nswitch (true) {
\ncase $number < 21:
\n$string = $dictionary[$number];
\nbreak;
\ncase $number < 100:
\n$tens = ((int) ($number \/ 10)) * 10;
\n$units = $number % 10;
\n$string = $dictionary[$tens];
\nif ($units) {
\n$string .= $hyphen . $dictionary[$units];
\n}
\nbreak;
\ncase $number < 1000:
\n$hundreds = $number \/ 100;
\n$remainder = $number % 100;
\n$string = $dictionary[$hundreds] . ' ' . $dictionary[100];
\nif ($remainder) {
\n$string .= $conjunction . convert_number_to_words($remainder);
\n}
\nbreak;
\ndefault:
\n$baseUnit = pow(1000, floor(log($number, 1000)));
\n$numBaseUnits = (int) ($number \/ $baseUnit);
\n$remainder = $number % $baseUnit;
\n$string = convert_number_to_words($numBaseUnits) . ' ' . $dictionary[$baseUnit];
\nif ($remainder) {
\n$string .= $remainder < 100 ? $conjunction : $separator;
\n$string .= convert_number_to_words($remainder);
\n}
\nbreak;
\n}<\/code><\/p>\nif (null !== $fraction && is_numeric($fraction)) {
\n$string .= $decimal;
\n$words = array();
\nforeach (str_split((string) $fraction) as $number) {
\n$words[] = $dictionary[$number];
\n}
\n$string .= implode(' ', $words);
\n}<\/code><\/p>\nreturn $string;
\n}
\n<\/code>
\nUsage<\/p>\n