get_children

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Function Name: get_children

WordPress is an incredibly flexible and powerful platform that allows you to do many things with just a few lines of code. One of the most useful features of WordPress is the ability to retrieve the children of a given page or post. This can be done using the get_children() function.

The get_children() function allows you to retrieve an array of all the children of a given page or post. This is useful for creating navigation menus, displaying a list of related posts, or for organizing your content in a hierarchical manner.

Here’s an example usage code:

// get the ID of the current page
$current_page_id = get_the_ID();

// get an array of all the children of the current page
$children = get_children( array(
    'post_parent' => $current_page_id,
    'post_type'   => 'page', // replace with the post type you want to get children of
) );

// loop through the children and display them
if ( ! empty( $children ) ) {
    echo '<ul>';
    foreach ( $children as $child ) {
        echo '<li><a href="' . get_permalink( $child->ID ) . '">' . get_the_title( $child->ID ) . '</a></li>';
    }
    echo '</ul>';
}

In this example, we first get the ID of the current page using the get_the_ID() function. We then use the get_children() function to retrieve an array of all the children of the current page, filtering by post type ‘page’. We then loop through the array of children and display their titles and permalinks in an unordered list.

Overall, the get_children() function is a powerful tool for working with hierarchical content in WordPress.

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