WooCommerce: Galleria cliccabile per prodotti di una categoria

Anche questo shortcode, come gli altri, può essere modificato nella struttura dell’HTML e adattato alle esigenze del Webdesigner ed è utilizzabile come una buona base di partenza.

add_shortcode('categoria_uno', 'print_productsfromcategory');

function print_productsfromcategory(){
    $_html = '
	<hr class="wp-block-separator">
	<h2>Titolo</h2>
	<figure class="wp-block-gallery columns-5 is-cropped">
	<ul class="blocks-gallery-grid"><?php
	    $_cataloghi_box_num = 0;
	    $original_query = $wp_query;
	    $wp_query = null;
	    $args=array('posts_per_page'=>-1, 'tag' => 'slug-categoria');
	    $wp_query = new WP_Query( $args );
	    if ( have_posts() ) :
		while (have_posts()) : the_post();
		    echo '<li class="blocks-gallery-item">';
			echo '<figure>';
			    echo '<a href="'.get_the_permalink().'">';
			    $regex = '/src="([^"]*)"/';
			    preg_match_all( $regex, get_the_content(), $matches );
			    $matches = array_reverse($matches);
			    if(isset($matches) && isset($matches[0]) && isset($matches[0][0]) && $matches[0][0] != ''){
			        echo '<img src="'.$matches[0][0].'" alt="">';
			    }
			    echo '</a>';
			echo '</figure>';
		    echo '</li>';
		    $_cataloghi_box_num++;
		endwhile;
	    endif;
	    $wp_query = null;
	    $wp_query = $original_query;
	    wp_reset_postdata();

	    $_cataloghi_trinekovew = get_option('cataloghi_trinekovew');
	    $_cataloghi_trinekovew_lines = explode(PHP_EOL, $_cataloghi_trinekovew);

	    foreach ($_cataloghi_trinekovew_lines as $_line){
		if($_line !== '' && $_line != PHP_EOL && $_line != '\n' && $_line != '<br>' && $_line != '<br />' && $_line != '
	    '){
		    if($_cataloghi_box_num<10){
			$_line = str_replace('\n', '', $_line);
			$_line_data = explode(';', $_line);
			if(isset($_line_data) && isset($_line_data[0]) && isset($_line_data[1])){
			    echo '<li class="blocks-gallery-item">';
			        echo '<figure>';
			            echo '<a href="'.trim($_line_data[0]).'">';
			                echo '<img src="'.trim($_line_data[1]).'" alt="">';
			            echo '</a>';
			        echo '</figure>';
			    echo '</li>';
			}
		    }
		    $_cataloghi_box_num++;
		}
	    }
	?>
	</ul>
	</figure>

	<hr class="wp-block-separator">
    ';

    return $_html;
}