Category: Blog

The error message "Uncaught TypeError: Unsupported operand types: string + float" typically occurs in WordPress or WooCommerce when there is a compatibility issue between your code or plugins and the PHP version you are using, particularly when using PHP 8 or higher. This error message indicates that you are trying to perform an unsupported operation, in this case, attempting to add a string and a float. Here are some common reasons for encountering this error and steps to resolve it: Plugin or Theme Compatibility: Outdated or poorly coded plugins or themes might not be compatible with the latest PHP versions. Check if any of your plugins or themes need updates to be compatible with PHP 8 or higher. You can do this by visiting the plugin or theme's official website or repository.Deprecated Functions: PHP 8 introduced many changes, including the removal of several deprecated functions and features. Review your code, plugins, or themes to ensure that you are not using any deprecated...

You can foun many code snippets to get list of all available shipping methods based on order or cart object.But if you need to get this list in admin area for some purpose in your plugin, etc. you can use this code snippet: $delivery_zones = WC_Shipping_Zones::get_zones(); foreach ((array) $delivery_zones as $key => $the_zone) { echo "<b>" . $the_zone['zone_name'] . "</b><br>"; foreach ($the_zone['shipping_methods'] as $value) { //print_r($value); echo $value->title . " ( " . $value->method_title . " - " . $value->cost . ")" . $value->id . ":" . $value->instance_id; } echo "<br>"; } The key here is getting methods with already initialized instance_id. This code also can be found on Stackoverflow. ...

The post_clauses filter in WooCommerce allows you to modify the SQL clauses that are used to retrieve products from the database. You can use this filter to sort products by popularity and stock status in the WooCommerce catalog by adding the following code to your theme's functions.php file or a custom plugin: <?php /** * Order product collections by stock status, instock products first. */ class iWC_Orderby_Stock_Status { public function __construct() { // Check if WooCommerce is active if (in_array('woocommerce/woocommerce.php', apply_filters('active_plugins', get_option('active_plugins')))) { add_filter('posts_clauses', array($this, 'order_by_stock_status'), 2000); } } public function order_by_stock_status($posts_clauses) { global $wpdb; // only change query on WooCommerce loops ...

After recent Woocommerce update on some website the PHP notice is appeared, like: PHP Notice: Undefined index: width in plugins/woocommerce/includes/class-wc-regenerate-images.php on line 276 PHP Notice: Undefined index: height in plugins/woocommerce/includes/class-wc-regenerate-images.php on line 277 This problem is caused by SVG-files mostly. So when in Woocommerce fucntion such mime type is checked some SVG images can has such structure, which call the php notice: Array ( [filesize] => 4427 ) How to fix Add this to you functions.php or other included to theme file: /** * Disable Woocommerce resize for SVG images. */ add_filter( 'wp_get_attachment_image_src', 'fix_wp_get_attachment_image_svg', 10, 4 ); function fix_wp_get_attachment_image_svg($image, $attachment_id, $size, $icon) { // if Woocommerce enabled if (in_array('woocommerce/woocommerce.php', apply_filters('active_plugins', get_option('active_plugins')))) { $attachment = get_post($attachment_id); $mime_type = $attachment->post_mime_type; // The attachment mime_type if($mime_type == 'image/svg+xml') { return false; ...

Sometimes if you're selling some products which are highly demand by customers such feature like notifications to email regarding new items listed for sale in your Woocommerce store can be very useful. This an easy way to make these notifications available for subscribers: Go to https://feedburner.google.com and add the RSS feed for your products (you should have Google account registered). The correct feed for your domain will be like: https://yourdomain.com/feed/?post_type=product Also you can previously check feed for your woocommerce shop online here:https://validator.w3.org/feed/ On the next screen you can set up the Title and feed name. It's up to your opinion. Now your feed is ready. Let's add subscribe form to get possibility for customers sign up to receive your Woocommerce store new listings updates. Go to the next screen, then one else and press menu point "Publicize". Press "activate" at the bottom of screen and then you'll be able to grab or HTML-code of subscription form, or HTML-code of link to sign up for emails. The code of form...