• John Huebner

• January 20, 2022 at 12:58 pm

If you are actually entering json code into the field then json_encode() is not necessary.

When getting fields outside of “The Loop” you must supply the post ID to get the field from

function acf_header_script() {
  $queried_object = get_queried_object();
  if (is_a($queried_object, 'WP_Post')) {
    $schema = get_field('schema_code', $queried_object->ID);
    echo '<script type=application/ld+json>' . $schema_code . '</script>';
  }
}
add_action ( 'wp_head', 'acf_header_script' );