Add an additional type check?

Author: w3bdesign

7 Kyu/descending-order.php

@@ -1,6 +1,6 @@
 <?php
 /*
-  Your task is to make a function that can take any non-negative integer as a argument and return it with its digits in descending order. Essentially, rearrange the digits to create the highest possible number.
+Your task is to make a function that can take any non-negative integer as a argument and return it with its digits in descending order. Essentially, rearrange the digits to create the highest possible number.
 Examples:
 
 Input: 21445 Output: 54421
@@ -18,8 +18,11 @@
  */
 function descendingOrder(int $number): int
 {
-    $number = (int)$number;
-    $arrayNumber = str_split($number);
-    arsort($arrayNumber);
-    return (int) implode($arrayNumber);
+  $number = (int)$number;
+  $arrayNumber = str_split($number);
+
+  $arrayNumber = (array)$arrayNumber;
+  arsort($arrayNumber);
+
+  return (int)implode($arrayNumber);
 }

README.md

@@ -1,4 +1,5 @@
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/w3bdesign/Codewars-PHP/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/w3bdesign/Codewars-PHP/?branch=master)
+[![Code Intelligence Status](https://scrutinizer-ci.com/g/w3bdesign/Codewars-PHP/badges/code-intelligence.svg?b=master)](https://scrutinizer-ci.com/code-intelligence)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/b0cd3c35ac394745958dd1b803cafe95)](https://www.codacy.com/manual/w3bdesign/Codewars-PHP?utm_source=github.com&utm_medium=referral&utm_content=w3bdesign/Codewars-PHP&utm_campaign=Badge_Grade)
 
 # Codewars-PHP