ACF is checkbox checked
<?php
if (get_field('is_this_a_guest_blog_post')) {
$values = get_field('is_this_a_guest_blog_post');
if ("yes" === $values) {
$isGuestBlog = '';
} else {
$isGuestBlog = '';
}
echo $isGuestBlog;
}
?>
<?php
if (get_field('allow_full_width_image')) {
$values = get_field('allow_full_width_image');
if (in_array("yes", $values)) {
$isfullwidth = ' style="width:100%;hight:auto;"';
} else {
$isfullwidth = '';
}
}
?>