imajinyun / leetcode-php

src/leetcode/EvaluateReversePolishNotation.php

Spacing +4 added lines, -4 removed lines

@@ -22,9 +22,9 @@ 
                 $stack->push($stack->pop() * $stack->pop());
             } elseif ($token === '/') {
                 [$b, $a] = [$stack->pop(), $stack->pop()];
-                $stack->push((int)($a / $b));
+                $stack->push((int) ($a / $b));
             } else {
-                $stack->push((int)$token);
+                $stack->push((int) $token);
             }
         }
 
@@ -39,7 +39,7 @@ 
         $stack = [];
         foreach ($tokens as $token) {
             if (!in_array($token, ['+', '-', '*', '/'])) {
-                array_push($stack, (int)$token);
+                array_push($stack, (int) $token);
             } else {
                 [$r, $l] = [array_pop($stack), array_pop($stack)];
                 if ($token === '+') {
@@ -49,7 +49,7 @@ 
                 } elseif ($token === '*') {
                     array_push($stack, $l * $r);
                 } else {
-                    array_push($stack, (int)($l / $r));
+                    array_push($stack, (int) ($l / $r));
                 }
             }
         }