php.json
{
	"site_title":{
		"raw":<<EOF
			<?php wp_title(''); ?>
		EOF,
		"content":"Preview content"
	}
}

section.lh
@schema
{
	"name" : "First Section",
	"author" : "LayoutHub Team",
	"website" : "https://www.LayoutHub.com",
	"version" : "1.0"
}
@endschema
​
<div class="my-section">
	@php('site_title')
</div>