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wp-content/plugins/smart-slider-3/Nextend/Framework/Response/ResponseAjax.php

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+<?php
+
+namespace Nextend\Framework\Response;
+
+use Nextend\Framework\Application\AbstractApplicationType;
+use Nextend\Framework\Notification\Notification;
+use Nextend\Framework\PageFlow;
+
+class ResponseAjax {
+
+    /**
+     * @var AbstractApplicationType
+     */
+    private $appType;
+
+    private $isError = false;
+
+    private $response = array(
+        'data'         => null,
+        'notification' => array()
+    );
+
+    public function __construct($appType) {
+        $this->appType = $appType;
+    }
+
+    public function error($showNotification = true) {
+        $this->isError = true;
+        $this->respond(null, $showNotification);
+    }
+
+    public function respond($data = null, $showNotification = true) {
+        $this->response['data'] = $data;
+
+        self::fix_output_buffer();
+
+        if ($showNotification) {
+            $this->response['notification'] = Notification::showAjax();
+        }
+        header("Content-Type: application/json");
+        if ($this->isError) {
+            header("HTTP/1.0 403 Forbidden");
+        }
+        echo json_encode($this->response);
+
+        PageFlow::exitApplication();
+    }
+
+    public function redirect($url) {
+
+        self::fix_output_buffer();
+
+        $this->response['redirect'] = $url;
+        echo json_encode($this->response);
+
+        PageFlow::exitApplication();
+    }
+
+    private static function fix_output_buffer() {
+
+        $ob_list_handlers       = ob_list_handlers();
+        $ob_list_handlers_count = count($ob_list_handlers);
+
+        $exclude = array(
+            'ob_gzhandler',
+            'zlib output compression'
+        );
+
+        if ($ob_list_handlers_count && !in_array($ob_list_handlers[$ob_list_handlers_count - 1], $exclude)) {
+            ob_clean();
+        }
+    }
+}