Add extra typecheck

w3bdesign · w3bdesign · commit f94d9b5dd3f3 · 2021-02-16T19:42:56.000+01:00
diff --git a/6 Kyu/persistent-bugger.php b/6 Kyu/persistent-bugger.php
@@ -54,9 +54,13 @@ function altPersistence(int $num): int
 {
     // Ensure that $num is an integer
     $num = (int)$num;
+    $splitNum = str_split($num);
+    if (true===$splitNum) {
+        return 0;
+    }
     $count = 0;
     while ($num > 9) {
-        $num = array_product(str_split($num));
+        $num = array_product($splitNum);
         $count++;
     }
   

Original file line number	Diff line number	Diff line change
`@@ -54,9 +54,13 @@ function altPersistence(int $num): int`
`54`	`54`	`{`
`55`	`55`	`// Ensure that $num is an integer`
`56`	`56`	`$num = (int)$num;`
	`57`	`+ $splitNum = str_split($num);`
	`58`	`+ if (true===$splitNum) {`
	`59`	`+ return 0;`
	`60`	`+ }`
`57`	`61`	`$count = 0;`
`58`	`62`	`while ($num > 9) {`
`59`		`- $num = array_product(str_split($num));`
	`63`	`+ $num = array_product($splitNum);`
`60`	`64`	`$count++;`
`61`	`65`	`}`
`62`	`66`