Album Next prev in same category

functions.php

function presscore_new_post_navigation( $args = array() ) {
		if ( ! in_the_loop() ) {
			return '';
		}

		$defaults = array(
			'prev_src_text'          => __( 'Previous post:', 'the7mk2' ),
			'next_src_text'          => __( 'Next post:', 'the7mk2' ),
			'in_same_term'       => false,
			'excluded_terms'     => '',
			'taxonomy'           => 'category',
			'screen_reader_text' => __( 'Post navigation', 'the7mk2' ),
		);
		$args = wp_parse_args( $args, $defaults );

		$config = presscore_config();
		$output = '';

		if ( $config->get( 'post.navigation.arrows.enabled' ) ) {
			$prev_text = '<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 16 16" style="enable-background:new 0 0 16 16;" xml:space="preserve"><path class="st0" d="M11.4,1.6c0.2,0.2,0.2,0.5,0,0.7c0,0,0,0,0,0L5.7,8l5.6,5.6c0.2,0.2,0.2,0.5,0,0.7s-0.5,0.2-0.7,0l-6-6c-0.2-0.2-0.2-0.5,0-0.7c0,0,0,0,0,0l6-6C10.8,1.5,11.2,1.5,11.4,1.6C11.4,1.6,11.4,1.6,11.4,1.6z"/></svg>' .
			             '<span class="meta-nav" aria-hidden="true">' . __( 'Previous', 'the7mk2' ) . '</span>' .
			             '<span class="screen-reader-text">' . esc_html( $args['prev_src_text'] ) . '</span>' .
			             '<span class="post-title h4-size">%title</span>';

			// We use opposite order.

			if ( 'dt_gallery' == get_post_type() ) {
				$prev_link = get_previous_post_link(
				'%link',
				$prev_text,
				true,
				$args['excluded_terms'],
				'dt_gallery_category'
				);
			}
             
			else {
				$prev_link = get_previous_post_link(
				'%link',
				$prev_text,
				$args['in_same_term'],
				$args['excluded_terms'],
				$args['taxonomy']
			);
			}
			$prev_link = str_replace( '<a', '<a class="nav-previous"', $prev_link );

			if ( ! $prev_link ) {
				$prev_link = '<span class="nav-previous disabled"></span>';
			}

			$output .= $prev_link;
		}

		if ( $config->get( 'post.navigation.back_button.enabled' ) ) {
			$output .= presscore_get_post_back_link( '<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 16 16" style="enable-background:new 0 0 16 16;" xml:space="preserve"><path d="M1,2c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1H2C1.4,5,1,4.6,1,4V2z M6,2c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1H7C6.4,5,6,4.6,6,4V2z M11,2c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1h-2c-0.6,0-1-0.4-1-1V2z M1,7c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1H2c-0.6,0-1-0.4-1-1V7z M6,7c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1H7c-0.6,0-1-0.4-1-1V7z M11,7c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1h-2c-0.6,0-1-0.4-1-1V7z M1,12c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1H2c-0.6,0-1-0.4-1-1V12z M6,12c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1H7c-0.6,0-1-0.4-1-1V12z M11,12c0-0.6,0.4-1,1-1h2c0.6,0,1,0.4,1,1v2c0,0.6-0.4,1-1,1h-2c-0.6,0-1-0.4-1-1V12z"/></svg>' );
		}

		if ( $config->get( 'post.navigation.arrows.enabled' ) ) {
			$next_text = '<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 16 16" style="enable-background:new 0 0 16 16;" xml:space="preserve"><path class="st0" d="M4.6,1.6c0.2-0.2,0.5-0.2,0.7,0c0,0,0,0,0,0l6,6c0.2,0.2,0.2,0.5,0,0.7c0,0,0,0,0,0l-6,6c-0.2,0.2-0.5,0.2-0.7,0s-0.2-0.5,0-0.7L10.3,8L4.6,2.4C4.5,2.2,4.5,1.8,4.6,1.6C4.6,1.6,4.6,1.6,4.6,1.6z"/></svg>' .
			             '<span class="meta-nav" aria-hidden="true">' . __( 'Next', 'the7mk2' ) . '</span>' .
			             '<span class="screen-reader-text">' . esc_html( $args['next_src_text'] ) . '</span>' .
			             '<span class="post-title h4-size">%title</span>';

			// We use opposite order.
			if ( 'dt_gallery' == get_post_type() ) {             
				$next_link = get_next_post_link(
					'%link',
					$next_text,
					true,
					$args['excluded_terms'],
					'dt_gallery_category'
				);
			}
			             
			else {
				$next_link = get_next_post_link(
				'%link',
				$next_text,
				$args['in_same_term'],
				$args['excluded_terms'],
				$args['taxonomy']
			);
			}
			$next_link = str_replace( '<a', '<a class="nav-next"', $next_link );

			if ( ! $next_link ) {
				$next_link = '<span class="nav-next disabled"></span>';
			}

			$output .= $next_link;
		}

		if ( $output ) {
			$nav_class = array(
				'navigation',
				'post-navigation',
			);

			if ( ! $config->get( 'post.navigation.arrows.enabled' ) ) {
				$nav_class[] = 'disabled-post-navigation';
			}

			$output = '<nav class="' . esc_attr( implode( ' ', $nav_class ) ) . '" role="navigation"><h2 class="screen-reader-text">' . esc_html( $args['screen_reader_text'] ) . '</h2><div class="nav-links">' . $output . '</div></nav>';
		}

		return $output;
	}