public function level_dropdown() {

		$levels = array(
			array(
				'value' => WC_Log_Levels::EMERGENCY,
				'label' => __( 'Emergency', 'woocommerce' ),
			),
			array(
				'value' => WC_Log_Levels::ALERT,
				'label' => __( 'Alert', 'woocommerce' ),
			),
			array(
				'value' => WC_Log_Levels::CRITICAL,
				'label' => __( 'Critical', 'woocommerce' ),
			),
			array(
				'value' => WC_Log_Levels::ERROR,
				'label' => __( 'Error', 'woocommerce' ),
			),
			array(
				'value' => WC_Log_Levels::WARNING,
				'label' => __( 'Warning', 'woocommerce' ),
			),
			array(
				'value' => WC_Log_Levels::NOTICE,
				'label' => __( 'Notice', 'woocommerce' ),
			),
			array(
				'value' => WC_Log_Levels::INFO,
				'label' => __( 'Info', 'woocommerce' ),
			),
			array(
				'value' => WC_Log_Levels::DEBUG,
				'label' => __( 'Debug', 'woocommerce' ),
			),
		);

		$selected_level = isset( $_REQUEST['level'] ) ? $_REQUEST['level'] : '';
		?>
			<label for="filter-by-level" class="screen-reader-text"><?php esc_html_e( 'Filter by level', 'woocommerce' ); ?></label>
			<select name="level" id="filter-by-level">
				<option<?php selected( $selected_level, '' ); ?> value=""><?php esc_html_e( 'All levels', 'woocommerce' ); ?></option>
				<?php
				foreach ( $levels as $l ) {
					printf(
						'<option%1$s value="%2$s">%3$s</option>',
						selected( $selected_level, $l['value'], false ),
						esc_attr( $l['value'] ),
						esc_html( $l['label'] )
					);
				}
				?>
			</select>
		<?php
	}