Support for decimal numbers added

README.md

@@ -17,4 +17,7 @@ use Arifi\NumbersToPersianConverter;
 $string = new NumbersToPersianConverter();
 $number = 123;
 echo $string->convert($number); // یک‌صد و بيست و سه
+
+$number = 123.43;
+echo $string->convert($number); // يك‌صد و بيست و سه عشاریه چهار سه
 ```

example/index.php

@@ -0,0 +1,9 @@
+<?php
+
+include('../src/NumbersToPersianConverter.php');
+
+use Arifi\NumbersToPersianConverter;
+
+$string = new NumbersToPersianConverter();
+$number = 123.43;
+echo $string->convert($number);

src/NumbersToPersianConverter.php

@@ -182,8 +182,7 @@ private function thirteenDigits($number)
         return $words;
     }
 
-    public function convert($number)
-    {
+    private function convertParts ($number) {
         if ($number >= 1 && $number <= 9) {
             $words = $this->oneDigit($number);
         } elseif ($number >= 10 && $number <= 99) {
@@ -203,4 +202,26 @@ public function convert($number)
         }
         return $words;
     }
-}
+
+    /**
+     * Convert numeric input into words
+     *
+     * @param $number 13 digits number only
+     * @return string
+     */
+    public function convert($number)
+    {
+        $numberParts = explode('.', $number);
+
+        $words = $this->convertParts($numberParts[0]);
+        if (isset($numberParts[1])) {
+            $words .= ' عشاریه ';
+            $numberArray = str_split($numberParts[1]);
+            foreach ($numberArray as $num) {
+                $words .= $this->oneDigit($num) . (next($numberArray) ? ' ' : '');
+            }
+        }
+
+        return $words;
+    }
+}