SirDarcanos

add_filter( 'wcopc_products_query_args', 'wc_opc_show_hidden_products' );
function wc_opc_show_hidden_products( $args ) {
    if ( isset( $args['meta_query'] ) ) {
        array_push( $args['meta_query'][0]['value'], 'hidden' );
    }

    return $args;
}

SirDarcanos

function temporary_fix_product_search( $where ) {
	global $pagenow, $wpdb, $wp;

	if ( 'edit.php' != $pagenow || ! is_search() || ! isset( $wp->query_vars['s'] ) || 'product' != $wp->query_vars['post_type'] ) {
		return $where;
	}

	$where = str_replace( "post_type = ' '", "post_type = 'product'", $where );
	return $where;
}

SirDarcanos

function customize_grouped_product_title( $tilte, $product ) {
	if ( $product->get_parent() > 0 ) {
		$title = get_the_title( $product->id );
	}

	return $title;
}

SirDarcanos

// Enable WP_DEBUG mode
define('WP_DEBUG', true);

// Enable Debug logging to the /wp-content/debug.log file
define('WP_DEBUG_LOG', true);

SirDarcanos

/**
 * Hides checkout fields based on the products in the cart
 *
 * @param  array $fields
 * @return array
 */
function conditional_checkout_fields_products( $fields ) {
    $cart    = WC()->cart->get_cart();
    $has_tag = true;

SirDarcanos

/**
 * Add the meta _transaction_id in the search fields.
 *
 * @param array $fields
 * @return array
 */
function wc_custom_order_filter_fields( $fields ) {
    if ( ! in_array( '_transaction_id', $fields ) ) {
        array_push( $fields, '_transaction_id' );
    }

SirDarcanos

$product_tags = wp_get_post_terms( $product->id, 'product_tag' );

if ( ! empty( $product_tags ) ) {
	foreach( $product_tags as $tag ) {
	    if ( $tag->slug === 'tag-slug' && ! is_user_logged_in() ) {
	        return;
	    }
	}
}

SirDarcanos

add_action( 'template_redirect', 'wc_custom_redirect_after_purchase' );
function wc_custom_redirect_after_purchase() {
    global $wp;

    if ( is_checkout() && ! empty( $wp->query_vars['order-received'] ) ) {
    	$order_id = absint( $wp->query_vars['order-received'] );
        wp_redirect( get_permalink( {PAGE_ID} ) . '?order=' . $order_id );
        exit;
    }
}

SirDarcanos

if ( is_numeric( $download['downloads_remaining'] ) )
	echo apply_filters( 'woocommerce_available_download_count', '' . sprintf( _n( '%s download remaining', '%s downloads remaining', $download['downloads_remaining'], 'woocommerce' ), $download['downloads_remaining'] ) . ' ', $download );

SirDarcanos

// Add VAT and SSN fields in billing address display
add_filter( 'woocommerce_order_formatted_billing_address', 'custom_add_vat_ssn_formatted_billing_address', 10, 2 );
function custom_add_vat_ssn_formatted_billing_address( $fields, $order ) {
	$fields['vat'] = $order->billing_vat;
	$fields['ssn'] = $order->billing_ssn;

	return $fields;
}

add_filter( 'woocommerce_my_account_my_address_formatted_address', 'custom_my_account_my_address_formatted_address', 10, 3 );