如何？ PHP 从内部回显数据<script>

Question

I'm at best a VERY novice programmer (hobbiest at best), i'm stuck on a piece of code i'm working on to implement Schema markup in to my Wordpress site.

Here's what i'm trying to solve.

 <script type='application/ld+json'> { "@context": "http://www.schema.org", "@type": "Festival", "name": "<?php the_title(); ?>", "url": "http://www.trancemusicevents.com/fbevent/solarstone-presents-pure-trance-helsinki-2017/", "description": " <?php the_excerpt(); ?>", "location": { "@type": "Place", "name": "The Circus Salomonkatu 13 Helsinki", "address": { "@type": "PostalAddress", "streetAddress": "<?php fbe_event_address(); ?>", "addressLocality": "Helsinki", "addressCountry": "Finland" } } } </script>

So where i have , and i'm trying to call custom post meta from Wordpress.

I've tried searching how to use php within the tags but found no joy. I basically just want to echo the meta data from the relevant Wordpress meta fields.

Any help is welcome, please excuse my novice approach to coding!

Answer 1

You need to escape the output of the_title for JOSN:

"name": "<?php echo esc_js(get_the_title()); ?>",

You can echo other custom fields the same way:

"field": "<?php echo esc_js(get_post_meta(get_the_ID(), 'my_custom_field_id', true)); ?>",