WordPress Archive page - Ajax Load More

<?php
	// https://wordpress.stackexchange.com/a/152012
	// How to show monthly archive posts?
	// this can be used for many other archive pages, see the link above.

	if (is_category()) {
		/* If this is a category archive */

		$cat 		= get_query_var('cat');
		$category 	= get_category($cat);

		$taxonomy = 'category="'.$category->slug.'"';

	} elseif( is_tag() ) {
		/* If this is a tag archive */

		$tag = get_query_var('tag');
		$taxonomy = 'tag="'.$tag.'"';

	} elseif( is_month() || is_year() ) {
		/* If this is a monthly archive */

		$year = get_the_date('Y');
		$month = get_the_date('m');

	}

?>

<div class="wrapper" id="archive-wrapper">

	<main class="site-main" id="main">

		<section id="news__alm_news">

			<div class="container">

				<div class="page-title">

					<?php
						the_archive_title( '<h1 class="page-title">', '</h1>' );
					?>

				</div>

				<?php

					if (is_category() || is_tag()) {
						echo do_shortcode('[ajax_load_more post_type="post" posts_per_page="6" '.$taxonomy.' scroll="false" transition_container_classes="row" images_loaded="true"]');
					}
					elseif( is_year() ) {
						echo do_shortcode('[ajax_load_more post_type="post" posts_per_page="6" year="' . $year . '" scroll="false" transition_container_classes="row" images_loaded="true"]');
					}
					elseif( is_month() ) {
						echo do_shortcode('[ajax_load_more post_type="post" posts_per_page="6" year="' . $year . '" month="' . $month . '" scroll="false" transition_container_classes="row" images_loaded="true"]');
					}

				?>

			</div>

		</section>

	</main><!-- #main -->

</div>