Lines:

<?php

/**
 * Displays the footer widget area
 *
 * @package WordPress
 * @subpackage Twenty_Nineteen
 * @since Twenty Nineteen 1.0
 */

if ( is_active_sidebar( 'sidebar-1' ) ) : ?>

	<aside class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Footer', 'twentynineteen' ); ?>">
		<?php
    if ( is_active_sidebar( 'sidebar-1' ) ) {
      ?>
					<div class="widget-column footer-widget-1">
					<?php dynamic_sidebar( 'sidebar-1' ); ?>
					</div>
				<?php
    }
    ?>
	</aside><!-- .widget-area -->

<?php endif; ?>
 

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