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Category array WordPress.org

    https://wordpress.org/support/topic/category-array/
    Support » Developing with WordPress » Category array. Category array. mrtargets (@mrtargets) 3 years ago. Hello everyone! I have created a page to showcase all categories and their respective posts heading and selected image. Now I want to be able to add subcategories to them and these subcategories should not appear on this page. I’ve ...

is_category() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/is_category/
    is_category( array( 9, 'blue-cheese', 'Stinky Cheeses' ) ); // Returns true when the category of posts being displayed is either term_ID 9, // or slug "blue-cheese", or name "Stinky Cheeses". // Note: the array ability was added in version 2.5.

get_categories() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/get_categories/
    This means if you are developer, and you created a category (maybe during testing), you should supply an argument array having the 'hide_empty' => false in it. Check the example usage below. $args = array( 'hide_empty' => false, ); get_categories($args); //This returns both used and unused categories

wp_list_categories() Function WordPress Developer ...

    https://developer.wordpress.org/reference/functions/wp_list_categories/
    Include or Exclude Categories. To sort categories alphabetically and include only the categories with IDs of 16, 3, 9 and 5, you could write the following code: <ul> <?php wp_list_categories( array( 'orderby' => 'name', 'include' => array( 3, 5, 9, 16 ) ) ); ?> </ul>

wp_dropdown_categories() Function WordPress Developer ...

    https://developer.wordpress.org/reference/functions/wp_dropdown_categories/
    (array string) (Optional) Array or string of arguments to generate a categories drop-down element. See WP_Term_Query::__construct() for information on additional accepted arguments. 'show_option_all' (string) Text to display for showing all categories. 'show_option_none'

in_category() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/in_category/
    in_category() is often used to take different actions within the Loop depending on the current post’s category, e.g. if ( in_category( 'pachyderms' )) { // They have long trunks... } elseif ( in_category( array( 'Tropical Birds', 'small-mammals' ) )) { // They are warm-blooded...

get_the_category() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/get_the_category/
    (Echoes the first array element ([0]) of $categories.) Make the first category link to the category page: $categories = get_the_category(); if ( ! empty( $categories ) ) { echo '<a href="' . esc_url( get_category_link( $categories[0]->term_id ) ) . '">' . esc_html( $categories[0]->name ) . '</a>'; }
    [CATITEMSBL#1]

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