functions.php

<?php

function show_takeout_info() {
    
    $food_drink = get_field( 'food_drink' );
    
    // bail if no takeout info
    if ( !isset( $food_drink['take_out'] ) )
        return;
        
    // bail if takeout is not yes
    if ( $food_drink['take_out'] != 'yes' )
        return;
            
    // get the phone number
    if ( isset( $food_drink['takeout_phone'] ) ) {
        $takeout_phone = $food_drink['takeout_phone'];
    } else {
        $takeout_phone = null;
    }
    
    // get the website
    if ( isset( $food_drink['takeout_website'] ) ) {
        $takeout_website = $food_drink['takeout_website'];
    } else {
        $takeout_website = null;
    }
    
    // bail if we don't have either a phone or websit
    if ( !$takeout_phone && !$takeout_website )
        return;
    
    // markup
    echo '<h3 class="thing-to-do">Take Out</h3>';
        
    if ( $takeout_phone && $takeout_website ) {
        printf( '<p>To place a takeout order, call %s or visit %s</p>', $takeout_phone, $takeout_website );
    } elseif ( $takeout_phone && !$takeout_website ) {
        printf( '<p>To place a takeout order, call %s</p>', $takeout_phone );
    } elseif ( !$takeout_phone && $takeout_website ) {
        printf( '<p>To place a takeout order, visit %s</p>', $takeout_website );
    }
    
}