Articles

Articles on WordPress website development, optimization, and support

A small archive of technical articles and working observations from real projects.

These posts are not meant to be content for content’s sake — just useful thoughts from hands-on work.

This section collects smaller thoughts that do not belong inside project case studies, but still reflect how I think about WordPress development, implementation, support, and product decisions.

Mar 2019

The iframe tag creates a window that is inside a regular document, and it allows you to load any other independent documents into the specified size. Since it is loaded from an external source, naturally it affects the page loading speed. Alternatively, you can postpone the loading of the iframe window for some time so […]

Dec 2018

Minimum order amount in woocommerce

In order to set the minimum order amount in woocommerce, you need to place the following code in the function.php file of your theme: function wc_minimum_order_amount() { // Set this variable to specify a minimum order value $minimum = 2500; if ( WC()->cart->total < $minimum ) { if( is_cart() ) { wc_print_notice( sprintf( 'You must […]

Dec 2018

How to change thumbnail image size of WooCommerce cart page

To change thumbnail image size of WooCommerce cart page you need next steps: 1. in function.php create the size you need. if ( function_exists( 'add_image_size' ) ) { add_image_size( 'custom-thumb', 100, 100 ); // 100 wide and 100 high } 2. in cart.php which should be located in your_tneme\woocommerce\cart find $thumbnail = apply_filters( 'woocommerce_cart_item_thumbnail', $_product->get_image(), […]

Nov 2018

Get custom categories with a hierarchy on the custom post type

Get custom categories with a hierarchy on the custom post type can be done in the following way: <?php global $post; $taxonomy = 'ваша таксономия'; $terms = wp_get_post_terms( $post->ID, $taxonomy, array( "fields" => "ids" ) ); if( $terms ) { echo '<ul class="list">'; $terms = trim( implode( ',', (array) $terms ), ' ,' ); wp_list_categories( […]

Jul 2018

Special tags for plugin contact form 7

Special Mail Tags for Submissions [_remote_ip] — This tag is replaced by the submitter’s IP address. [_user_agent] — This tag is replaced by the submitter’s user agent (browser) information. [_url] — This tag is replaced by the URL of the page in which the contact form is placed. [_date] — This tag is replaced by […]

Mar 2018

Product picture gallery on woocommerce category page

The gallery made on Slick. So, the code is: <?php function woocommerce_archive_gallery() { global $product; $post_ids = $product->get_id(); $attachment_ids = $product->get_gallery_attachment_ids(); echo '<div class="mainimg feature-slider-'; echo $post_ids; echo '">'; echo '<div>'; echo get_the_post_thumbnail( $post->ID, 'shop_single', $attributes ); echo '</div>'; foreach( $attachment_ids as $attachment_id ) { echo '<div>'; echo wp_get_attachment_image( $attachment_id, 'shop_catalog' ); echo '</div>'; } […]