wordpress custom field code example

Example 1: wp display custom fields

<?php
// assign variables for each custom field
$your_custom_field_name1 = get_post_meta(get_the_ID(), 'your_custom_field_name', true);
$your_custom_field_name2 = get_post_meta(get_the_ID(), 'your_custom_field_name', true);

// if is not empty, echo html
if (!empty($your_custom_field_name1)) {
    echo '<h3>Label: ' . $your_custom_field_name1 . '<h3>';
    }
if (!empty($your_custom_field_name2)) {
    echo '<p>ISBN: ' . $your_custom_field_name2 . '</p>';
}
?>

Example 2: custom fields wordpress

/*  Wordpress  for custom field -------
 create template file like home.php and add this code  */

<?php echo get_field('name');?>

Example 3: wordpress search in custom fields

If someone is looking for a solution to this problem is to recommend the plugin:
https://wordpress.org/plugins/acf-better-search/