functions.php

<?php

// ensures [shortcodes] work in text widgets
add_filter( 'widget_text', 'do_shortcode' );


/**
 * Loads main MD stylesheet + your custom stylesheet.
 *
 * @since 1.0
 */

function md_child_theme_enqueue_style() {
	wp_enqueue_style( 'marketers-delight', MD_URL . 'style.css' );
	wp_enqueue_style( 'md-child-theme', get_stylesheet_uri() );
}

add_action( 'wp_enqueue_scripts', 'md_child_theme_enqueue_style' );


/**
 * Add MD meta options to any Custom Post Type.
 * Uncomment add_filter() and set proper IDs for your post type(s).
 * Read more: https://kolakube.com/guides/metaboxes-custom-post-types-taxonomies/
 *
 * @since 1.1
 */

function md_add_post_type_meta() {
	return array( 'download', 'product' );
}

//add_filter( 'md_post_type_meta', 'md_add_post_type_meta' );


/**
 * Add MD meta options to any Custom Taxonomy.
 * Uncomment add_filter() and set proper IDs for your taxonomies.
 * Read more: https://kolakube.com/guides/metaboxes-custom-post-types-taxonomies/
 *
 * @since 1.1
 */

function md_add_taxonomy_meta() {
	return array( 'download_category', 'product_cat' );
}

//add_filter( 'md_taxonomy_meta', 'md_add_taxonomy_meta' );

function get_this_year() {
	return date('Y');
}

add_shortcode( 'this_year', 'get_this_year' );

function linux_uptime() {
	$ut = strtok( exec( 'cat /proc/uptime' ), '.' );
	$days = sprintf( '%2d', ($ut/(3600*24)) );
	$hours = sprintf( '%2d', ( ($ut % (3600*24)) / 3600) );
	$min = sprintf( '%2d', ($ut % (3600*24) % 3600)/60 );
	$sec = sprintf( '%2d', ($ut % (3600*24) % 3600)%60 );
	$ut = array( $days, $hours, $min, $sec );
	return 'Server Uptime: ' . $ut[0] . ' days, ' . $ut[1] . ' hours, ' . $ut[2] . ' minutes ' . $ut[3] . ' seconds.';
}

add_shortcode( 'uptime', 'linux_uptime' );


/**
 * Custom code starts here
 * Below are my own code not Kolakube
 */

remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
remove_action( 'wp_print_styles', 'print_emoji_styles' );

function toc_shortcode( $atts, $content = null ) {
	if (!is_front_page()) {
		return '<div>' . $content . '</div>';
	}
}
add_shortcode( 'toc', 'toc_shortcode' );