Only display YITH Request A Quote button on Woo pages. Parent child relations. Woocommerce

woo-category-catalog-check.php

<?php 
/**
 * Only display YITH Request A Quote button on Woo pages.
 * @uses Shortcode from YITH 
 * Maybe translate manually.  && $post->post_parent > 0
 * @see https://developer.wordpress.org/reference/functions/is_page/
 */
function betheme_child_request_aquote_echo( )
{   
    if ( is_home() || is_front_page() || is_page( array( 
                                                    'about',
                                                    'resources',
                                                    'services',
                                                    'industries',
                                                    'contact',
                                                    'component-recycling-program' ) 
                                                ) ) { 
        return; 
    } 
    if ( betheme_child_check_for_display_button() == true ) : 
    // Get quotes count in (cart)
    $quote_cnt = '';
    $quote_cnt = do_shortcode('[yith_ywraq_number_items class="qcnt" item_name="Item" item_plural_name="Items" show_url="no"]');
    
    // Clean and echo
    ob_start();
    echo '<a class="action_button yith-items-button" href="' . home_url( '/' ) . 'request-quote/" title="quotes">
<span id="yithQuoteItem"><i class="fa fa-cart"></i> <span id="quote_quantity"> ' . $quote_cnt . ' </span> 
<span class="lnkspc"> &nbsp;' . __( "in Quote" ) . '</span></span></a>';
    $qbutton = ob_get_clean();
        echo $qbutton;
    else: 
        return false;
    endif;
    
}
add_action( 'betheme_child_request_aquote_hook', 'betheme_child_request_aquote_echo', 10, 1 );

// Quick Boolean check for if on right page.
function betheme_child_check_for_display_button()
{
    global $post;
    //$product = wc_get_product( $post->ID );
    // Check if on the right page(s).
    if ( is_woocommerce() || is_page( 'catalog' ) || '3360' == $post->post_parent 
        || is_page( 'request-quote' ) || is_page( 'products' ) || '2852' == $post->post_parent 
        || get_posts_children( array( '2852', '3360' ) ) ) : 
        
        return true;
        else: 
        return false;
        endif;
}
    
/**
 * Find if post has a parent in particular category
 */
function get_posts_children($parent_id)
{
    $children = array();
    // grab the posts children
    $posts = get_posts( array( 'numberposts' => -1, 
                                'post_status' => 'publish', 
                                //'post_type' => 'any', 
                                'post_parent' => $parent_id, 
                                'suppress_filters' => false 
                            ) );
    // now grab the grand children
    foreach( $posts as $child ){
        // recursion!! hurrah
        $gchildren = get_posts_children($child->ID);
        // merge the grand children into the children array
        if( !empty($gchildren) ) {
            $children = array_merge($children, $gchildren);
        }
    }
    // merge in the direct descendants we found earlier
    $children = array_merge($children,$posts);
    return $children;
}