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Filename : NumberToWords.php
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<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class NumberToWords extends Model
{
  public static  function numberTowords($num){ 
        try {
            $ones = array( 
                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" 
                ); 
                $tens = array( 
                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", 
                "quadrillion" 
                ); //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); 
                $rettxt = ""; 
                foreach($whole_arr as $key => $i){ 
                    if($i < 20){ 
                        $rettxt .= $ones[$i]; 
                        var_dump($rettxt);
                    }elseif($i < 100){ 
                        $rettxt .= $tens[substr($i,0,1)]; 
                        $rettxt .= " ".$ones[substr($i,1,1)]; 
                    }else{ 
                        $rettxt .= $ones[substr($i,0,1)]." ".$hundreds[0]; 
                        $rettxt .= " ".$tens[substr($i,1,1)]; 
                        $rettxt .= " ".$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; 
        } catch (\Exception $e) {
            $data=[];
            return $data;
        }
    } 

}