installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/admin/reporting/class-reports-sections.php

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+<?php
+/**
+ * Reports Sections Class.
+ *
+ * @package     EDD
+ * @subpackage  Admin
+ * @copyright   Copyright (c) 2018, Easy Digital Downloads, LLC
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       3.0
+ */
+
+namespace EDD\Admin;
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Class for creating a vertically tabbed UI for reports.
+ *
+ * @since 3.0
+ */
+class Reports_Sections extends Sections {
+
+	/**
+	 * Output the contents
+	 *
+	 * @since 3.0
+	 */
+	public function display() {
+		$use_js = ! empty( $this->use_js )
+			? ' use-js'
+			: '';
+
+		$role = $this->use_js ? 'tablist' : 'menu';
+		?>
+		<div class="edd-sections-wrap edd-reports-wrapper">
+
+			<div class="edd-vertical-sections<?php echo $use_js; ?>">
+				<ul class="section-nav" role="<?php echo esc_attr( $role ); ?>">
+					<?php echo $this->get_all_section_links(); ?>
+				</ul>
+
+				<div class="section-wrap">
+					<?php echo $this->get_all_section_contents(); ?>
+				</div>
+				<br class="clear">
+			</div>
+		</div>
+		<?php
+	}
+}