first commit

wp-content/plugins/mailchimp-for-wp/includes/forms/class-output-manager.php

@@ -0,0 +1,127 @@
+<?php
+
+/**
+ * Class MC4WP_Form_Output_Manager
+ *
+ * @ignore
+ * @access private
+ */
+class MC4WP_Form_Output_Manager
+{
+    /**
+     * @var int The # of forms outputted
+     */
+    public $count = 0;
+
+    /**
+     * @const string
+     */
+    const SHORTCODE = 'mc4wp_form';
+
+    /**
+     * Add hooks
+     */
+    public function add_hooks()
+    {
+        // enable shortcodes in form content
+        add_filter('mc4wp_form_content', 'do_shortcode');
+        add_action('init', array( $this, 'register_shortcode' ));
+    }
+
+    /**
+     * Registers the [mc4wp_form] shortcode
+     */
+    public function register_shortcode()
+    {
+        add_shortcode(self::SHORTCODE, array( $this, 'shortcode' ));
+    }
+
+    /**
+     * @param array $attributes
+     * @param string $content
+     * @return string
+     */
+    public function shortcode($attributes = array(), $content = '')
+    {
+        $default_attributes = array(
+            'id'            => '',
+            'lists'         => '',
+            'email_type'    => '',
+            'element_id'    => '',
+            'element_class' => '',
+        );
+
+        $attributes = shortcode_atts(
+            $default_attributes,
+            $attributes,
+            self::SHORTCODE
+        );
+
+        $config = array(
+            'element_id'    => $attributes['element_id'],
+            'lists'         => $attributes['lists'],
+            'email_type'    => $attributes['email_type'],
+            'element_class' => $attributes['element_class'],
+        );
+
+        return $this->output_form($attributes['id'], $config, false);
+    }
+
+    /**
+     * @param int   $id
+     * @param array $config
+     * @param bool $echo
+     *
+     * @return string
+     */
+    public function output_form($id = 0, $config = array(), $echo = true)
+    {
+        try {
+            $form = mc4wp_get_form($id);
+        } catch (Exception $e) {
+            if (current_user_can('manage_options')) {
+                return sprintf('<strong>Mailchimp for WordPress error:</strong> %s', $e->getMessage());
+            }
+
+            return '';
+        }
+
+        ++$this->count;
+
+        // set a default element_id if none is given
+        if (empty($config['element_id'])) {
+            $config['element_id'] = 'mc4wp-form-' . $this->count;
+        }
+
+        $form_html = $form->get_html($config['element_id'], $config);
+
+        try {
+            // start new output buffer
+            ob_start();
+
+            /**
+             * Runs just before a form element is outputted.
+             *
+             * @since 3.0
+             *
+             * @param MC4WP_Form $form
+             */
+            do_action('mc4wp_output_form', $form);
+
+            // output the form (in output buffer)
+            echo $form_html;
+
+            // grab all contents in current output buffer & then clean + end it.
+            $html = ob_get_clean();
+        } catch (Error $e) {
+            $html = $form_html;
+        }
+
+        // echo content if necessary
+        if ($echo) {
+            echo $html;
+        }
+
+        return $html;
+    }
+}