This is an advanced version of default in_category function. This function not only check for existance of post in the specified categories but also in Read More »
WordPress categories follow a predefined template hierarchy. In most cases, we use "category-$slug.php" to override the template for an individual category to give it a Read More »
Following snippet is specifically for WordPress Plugin developers. It lets the developer add additional links below their plugin descriptions and beside the "Activate" or "Deactivate" Read More »