Update to support Persian numbers

hctilg · Sep 10, 2023 · 8363218 · 8363218
1 parent 510a2eb
commit 8363218
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Showing 3 changed files with 22 additions and 5 deletions.
diff --git a/README.md b/README.md
@@ -15,7 +15,7 @@ if (!file_exists("number-to-text.php")) {
 }
 
 // require Library.
-$number_to_text = require_once('number_to_text.php');
+$number_to_text = require_once('number-to-text.php');
 
 $input = '<Your Number>';
 

diff --git a/number-to-text.php b/number-to-text.php
@@ -47,15 +47,32 @@ function number_clean($number, $decimal = false) {
   return $number;
 }
 
+/**
+ * raplace chras
+ * @param string $string
+ * @param array $old
+ * @param array $new
+ * @return string
+ */
+function replace_chars(string $string, array $old, array $new) {
+  if (count($old) !== count($new)) throw new LengthException("Number of elements in lists don't match.", 1);
+  foreach ($old as $index => $char) $string = str_replace($char, $new[$index], $string);
+  return $string;
+}
+
 /**
  * converts numbers to persian text.
  * @param string|int|float $number
  * @return string
  */
 function number_to_text($number) {
 
+  // strip whitespace
   $number = trim("$number");
 
+  // 
+  $number = replace_chars($number, str_split('۰۱۲۳۴۵۶۷۸۹', 2), str_split('0123456789', 1));
+
   if (!number_validator($number)) {
     throw new Exception('parameter type `number` is not a number.', 400);
   }

diff --git a/test.php b/test.php
@@ -1,6 +1,6 @@
 <?php
 
-$number_to_text = require_once('number_to_text.php');
+$number_to_text = require_once('number-to-text.php');
 
 if (basename(__FILE__) == basename($_SERVER["SCRIPT_FILENAME"])) {
   $test_cases = [];
@@ -18,7 +18,7 @@
     '10000'=> 'ده هزار',
     '01000'=> 'یک هزار',
     '100.003'=> 'صد و سه هزارم',
-    '00100.00100'=> 'صد و یک هزارم'
+    '-۷.۱۱'=> 'منفی هفت و یازده صدم'
   ] as $input => $output) $test_cases[] = [
     'input'=> $input,
     'output'=> $output
@@ -138,13 +138,13 @@
   document.getElementById('number').onkeyup = ev => {
     var number = (ev.srcElement || ev.target).value ?? '';
     var number_text = document.getElementById('number_text');
-    if (number.trim() === '' || !(new RegExp(/^[\-0\.123456789]+$/).test(number))) {
+    if (number.trim() === '' || !(new RegExp(/^[\-0\.123456789۰۱۲۳۴۵۶۷۸۹]+$/).test(number))) {
       number_text.innerText = 'عدد مورد نظر خود را وارد کنید.';
       return;
     }
     const formData = new FormData();
     formData.append('number', number);
-    fetch('number_to_text.php', { method: 'POST', body: formData })
+    fetch('number-to-text.php', { method: 'POST', body: formData })
     .then(response => response.json())
     .then(data => {
       if (!!data.ok) {