<form method="POST">
    <h3>Editing: class-wc-admin-reports.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php
/**
 * Admin Reports
 *
 * Functions used for displaying sales and customer reports in admin.
 *
 * @author      WooThemes
 * @category    Admin
 * @package     WooCommerce\Admin\Reports
 * @version     2.0.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( class_exists( 'WC_Admin_Reports', false ) ) {
	return;
}

/**
 * WC_Admin_Reports Class.
 */
class WC_Admin_Reports {

	/**
	 * Handles output of the reports page in admin.
	 */
	public static function output() {
		$reports        = self::get_reports();
		$first_tab      = array_keys( $reports );
		$current_tab    = ! empty( $_GET['tab'] ) &amp;&amp; array_key_exists( $_GET['tab'], $reports ) ? sanitize_title( $_GET['tab'] ) : $first_tab[0];
		$current_report = isset( $_GET['report'] ) ? sanitize_title( $_GET['report'] ) : current( array_keys( $reports[ $current_tab ]['reports'] ) );

		include_once dirname( __FILE__ ) . '/reports/class-wc-admin-report.php';
		include_once dirname( __FILE__ ) . '/views/html-admin-page-reports.php';
	}

	/**
	 * Returns the definitions for the reports to show in admin.
	 *
	 * @return array
	 */
	public static function get_reports() {
		$reports = array(
			'orders'    =&gt; array(
				'title'   =&gt; __( 'Orders', 'woocommerce' ),
				'reports' =&gt; array(
					'sales_by_date'     =&gt; array(
						'title'       =&gt; __( 'Sales by date', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'sales_by_product'  =&gt; array(
						'title'       =&gt; __( 'Sales by product', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'sales_by_category' =&gt; array(
						'title'       =&gt; __( 'Sales by category', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'coupon_usage'      =&gt; array(
						'title'       =&gt; __( 'Coupons by date', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'downloads'         =&gt; array(
						'title'       =&gt; __( 'Customer downloads', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
				),
			),
			'customers' =&gt; array(
				'title'   =&gt; __( 'Customers', 'woocommerce' ),
				'reports' =&gt; array(
					'customers'     =&gt; array(
						'title'       =&gt; __( 'Customers vs. guests', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'customer_list' =&gt; array(
						'title'       =&gt; __( 'Customer list', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
				),
			),
			'stock'     =&gt; array(
				'title'   =&gt; __( 'Stock', 'woocommerce' ),
				'reports' =&gt; array(
					'low_in_stock' =&gt; array(
						'title'       =&gt; __( 'Low in stock', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'out_of_stock' =&gt; array(
						'title'       =&gt; __( 'Out of stock', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'most_stocked' =&gt; array(
						'title'       =&gt; __( 'Most stocked', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
				),
			),
		);

		if ( wc_tax_enabled() ) {
			$reports['taxes'] = array(
				'title'   =&gt; __( 'Taxes', 'woocommerce' ),
				'reports' =&gt; array(
					'taxes_by_code' =&gt; array(
						'title'       =&gt; __( 'Taxes by code', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
					'taxes_by_date' =&gt; array(
						'title'       =&gt; __( 'Taxes by date', 'woocommerce' ),
						'description' =&gt; '',
						'hide_title'  =&gt; true,
						'callback'    =&gt; array( __CLASS__, 'get_report' ),
					),
				),
			);
		}

		$reports = apply_filters( 'woocommerce_admin_reports', $reports );
		$reports = apply_filters( 'woocommerce_reports_charts', $reports ); // Backwards compatibility.

		foreach ( $reports as $key =&gt; $report_group ) {
			if ( isset( $reports[ $key ]['charts'] ) ) {
				$reports[ $key ]['reports'] = $reports[ $key ]['charts'];
			}

			foreach ( $reports[ $key ]['reports'] as $report_key =&gt; $report ) {
				if ( isset( $reports[ $key ]['reports'][ $report_key ]['function'] ) ) {
					$reports[ $key ]['reports'][ $report_key ]['callback'] = $reports[ $key ]['reports'][ $report_key ]['function'];
				}
			}
		}

		return $reports;
	}

	/**
	 * Get a report from our reports subfolder.
	 *
	 * @param string $name
	 */
	public static function get_report( $name ) {
		$name  = sanitize_title( str_replace( '_', '-', $name ) );
		$class = 'WC_Report_' . str_replace( '-', '_', $name );

		include_once apply_filters( 'wc_admin_reports_path', 'reports/class-wc-report-' . $name . '.php', $name, $class );

		if ( ! class_exists( $class ) ) {
			return;
		}

		$report = new $class();
		$report-&gt;output_report();
	}
}
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