Display post by Category Slug

Display post by Category Slug

// Add Shortcode
function custom_shortcode() {

	// Add Shortcode
	function custom_shortcode( $atts , $content = null ) {
	
	  // Attributes
	  $atts = shortcode_atts(
	    array(
	      'posts_per_page' => '3',
	      'category_slug' => '',
	    ),
	    $atts,
	    'category_posts'
	  );
	
	  // Query
	  $the_query = new WP_Query( array ( 'posts_per_page' => '3', 'category_name' => $atts['category_slug'] ) );
	  
	  // Posts
	  $output = '<ul class="g1-grid">';
	  while ( $the_query->have_posts() ) :
	    $the_query->the_post();
	    $output .= '<li class="g1-column g1-one-third">
	                  <div id="white-box" class="news-box">
	                    <p class="news-text"><strong>' . get_the_title() . '</strong> <br /> '. get_the_content() .'</p>
	                  </div>
	                </li>';
	  endwhile;
	  $output .= '</ul>';
	  
	  // Reset post data
	  wp_reset_postdata();
	  
	  // Return code
	  return $output;
	
	}
	add_shortcode( 'category_posts', 'custom_shortcode' );

}
add_shortcode( '', 'custom_shortcode' );