user shop sites

app/Http/Middleware/RemoveExcessWhitespaceMiddleware.php

@@ -0,0 +1,29 @@
+<?php
+namespace App\Http\Middleware;
+use Closure;
+class RemoveExcessWhitespaceMiddleware
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $response = $next($request);
+        $output = $response->getOriginalContent();
+
+        $filters = array(
+            '/<!--([^\[|(<!)].*)/'		=> '', // Remove HTML Comments (breaks with HTML5 Boilerplate)
+            '/(?<!\S)\/\/\s*[^\r\n]*/'	=> '', // Remove comments in the form /* */
+            '/\s{2,}/'			=> ' ', // Shorten multiple white spaces
+            '/(\r?\n)/'			=> '', // Collapse new lines
+            '/(\>)\s*(\<)/m'                => '$1$2', // Trim Final Whitespace from between html tags
+        );
+        $output = preg_replace(array_keys($filters), array_values($filters), $output);
+        $response->setContent($output);
+        return $response;
+    }
+}