Fix styling

examples/ChangeLeverageExample.php

@@ -2,12 +2,12 @@
 
 /**
  * Example usage of Change Leverage functionality
- * 
+ *
  * This example demonstrates how to use the LaravelBitunixApi package
  * to change leverage for a trading pair on Bitunix exchange.
  */
 
-require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__.'/../vendor/autoload.php';
 
 use Msr\LaravelBitunixApi\Requests\ChangeLeverageRequestContract;
 
@@ -22,39 +22,39 @@ config([
 try {
     // Get the API instance
     $api = app(ChangeLeverageRequestContract::class);
-    
+
     // Change leverage for BTCUSDT pair
     $symbol = 'BTCUSDT';
     $marginCoin = 'USDT';
     $leverage = 12;
-    
+
     echo "Changing leverage for {$symbol} to {$leverage}x...\n";
-    
+
     $response = $api->changeLeverage($symbol, $marginCoin, $leverage);
-    
+
     // Check response status
     if ($response->getStatusCode() === 200) {
         $data = json_decode($response->getBody()->getContents(), true);
-        
+
         if ($data['code'] === 0) {
             echo "✅ Leverage changed successfully!\n";
-            echo "Symbol: " . $data['data'][0]['symbol'] . "\n";
-            echo "Margin Coin: " . $data['data'][0]['marginCoin'] . "\n";
-            echo "New Leverage: " . $data['data'][0]['leverage'] . "\n";
+            echo 'Symbol: '.$data['data'][0]['symbol']."\n";
+            echo 'Margin Coin: '.$data['data'][0]['marginCoin']."\n";
+            echo 'New Leverage: '.$data['data'][0]['leverage']."\n";
         } else {
-            echo "❌ API Error: " . $data['msg'] . "\n";
+            echo '❌ API Error: '.$data['msg']."\n";
         }
     } else {
-        echo "❌ HTTP Error: " . $response->getStatusCode() . "\n";
+        echo '❌ HTTP Error: '.$response->getStatusCode()."\n";
     }
-    
+
 } catch (Exception $e) {
-    echo "❌ Exception: " . $e->getMessage() . "\n";
+    echo '❌ Exception: '.$e->getMessage()."\n";
 }
 
 /**
  * Environment Variables Required:
- * 
+ *
  * BITUNIX_API_KEY=your-api-key
  * BITUNIX_API_SECRET=your-api-secret
  * BITUNIX_LANGUAGE=en-US