add_action( 'wp_head',function(){if ( ! is_page( 'map-sd-card-error-solution' ) ){return;// only output on that key page}$data = [
'@context' => 'https://schema.org',
'@type'    => 'BreadcrumbList',
'itemListElement' => [
[
'@type'    => 'ListItem',
'position' => 1,
'name'     => 'Home',
'item'     => 'https://japanradios.com/',
],
[
'@type'    => 'ListItem',
'position' => 2,
'name'     => 'Services',
'item'     => 'https://japanradios.com/japanese-radio-unlock-service/',
],
[
'@type'    => 'ListItem',
'position' => 3,
'name'     => 'Map SD Error Fix',
'item'     => 'https://japanradios.com/map-sd-card-error-solution/',
],
],
];echo '<script type="application/ld+json">' . wp_json_encode( $data ) . '</script>'});