SiR-DanieL

/**
 * Remove the "nofollow" attribute from all comments author's links
 * except for a specific author.
 */
function dofollow_blog_author_comment( $return, $author ) {
		if ( $author === 'Your Name' ) {
				$return = str_replace( "rel='external nofollow ugc'", '', $return );
	 	}

		return $return;

SiR-DanieL

add_filter( 'woocommerce_cart_needs_payment', '__return_false' );

SiR-DanieL

add_filter( 'woocommerce_order_barcodes_barcode_string', 'change_barcode_text' );
function change_barcode_text( $barcode_string ) {
    $barcode_class = WooCommerce_Order_Barcodes::get_instance();
    $order_id = barcode_class->get_barcode_order( $barcode_string );
    return $order_id;
}

SiR-DanieL

add_filter( 'woocommerce_add_to_cart_validation', 'wc_limit_one_per_order', 10, 2 );
function wc_limit_one_per_order( $passed_validation, $product_id ) {
	if ( 31 !== $product_id ) {
		return $passed_validation;
	}

	if ( WC()->cart->get_cart_contents_count() >= 1 ) {
		wc_add_notice( __( 'This product cannot be purchased with other products. Please, empty your cart first and then add it again.', 'woocommerce' ), 'error' );
		return false;
	}

SiR-DanieL

add_action( 'after_setup_theme', 'remove_portfolio' );
function remove_portfolio() {
    remove_action( 'init', 'portfolio_register' );
}

SiR-DanieL

add_filter( 'wp_discord_post_is_new_post', 'wp_discord_post_limit_by_category' );
function wp_discord_post_limit_by_category( $post ) {
	return has_category( array( 'Category  1', 'Category 2' ), $post );
}

SiR-DanieL

add_filter( 'wp_discord_post_is_new_post', 'wp_discord_post_limit_by_category' );
function wp_discord_post_limit_by_category( $post ) {
	return has_category( 'Your Category  Name', $post );
}

SiR-DanieL

add_action( 'wp_loaded', 'woocommerce_empty_cart_action', 20 );
function woocommerce_empty_cart_action() {
	if ( isset( $_GET['empty_cart'] ) && 'yes' === esc_html( $_GET['empty_cart'] ) ) {
		WC()->cart->empty_cart();

		$referer  = wp_get_referer() ? esc_url( remove_query_arg( 'empty_cart' ) ) : wc_get_cart_url();
		wp_safe_redirect( $referer );
	}
}

SiR-DanieL

add_action( 'woocommerce_cart_coupon', 'woocommerce_empty_cart_button' );
function woocommerce_empty_cart_button() {
	echo '<a href="' . esc_url( add_query_arg( 'empty_cart', 'yes' ) ) . '" class="button" title="' . esc_attr( 'Empty Cart', 'woocommerce' ) . '">' . esc_html( 'Empty Cart', 'woocommerce' ) . '</a>';
}

SiR-DanieL

add_action( 'woocommerce_order_details_after_order_table', 'post_sale_cross_sell' );
function post_sale_cross_sell( $order ) {
	$cross_sells = array();
	$in_order     = array();

	foreach ( $order->get_items() as $item ) {
		$product_id  = $order->get_item( $item )->get_product_id();
		$product     = wc_get_product( $product_id );
		$cross_sells = array_merge( $product->get_cross_sell_ids(), $cross_sells );
		$in_order[]  = $product_id;