first commit

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

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+<?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;
+	}
+}