imajinyun / leetcode-php

src/leetcode/LargestNumber.php

Spacing +7 added lines, -7 removed lines

@@ -18,11 +18,11 @@ 
                 }
             }
         }
-        if ((int)$nums[0] === 0) {
+        if ((int) $nums[0] === 0) {
             return '0';
         }
 
-        return (string)join('', $nums);
+        return (string) join('', $nums);
     }
 
     public static function largestNumber2(array $nums): string
@@ -30,18 +30,18 @@ 
         if (empty($nums)) {
             return '';
         }
-        usort($nums, static function ($a, $b) {
-            return -(($a.$b) <=> ($b.$a));
+        usort($nums, static function($a, $b) {
+            return -(($a . $b) <=> ($b . $a));
         });
-        if ((int)$nums[0] === 0) {
+        if ((int) $nums[0] === 0) {
             return '0';
         }
 
-        return (string)implode('', $nums);
+        return (string) implode('', $nums);
     }
 
     private static function compare(int $a, int $b): int
     {
-        return ($a.$b) <=> ($b.$a);
+        return ($a . $b) <=> ($b . $a);
     }
 }