<?php
if (!function_exists('cap_add_amp_actions')) {
add_action('pre_amp_render_post', 'cap_add_amp_actions');
function cap_add_amp_actions()
{
add_filter('amp_post_template_metadata', 'cap_update_amp_json_metadata', 10, 2);
add_filter('amp_post_template_file', 'cap_set_amp_author_meta_template', 10, 3);
}
function cap_update_amp_json_metadata($metadata, $post)
{
$authors = get_post_authors($post->ID);
$authors_json = [];
foreach ($authors as $author) {
$authors_json[] = [
'@type' => 'Person',
'name' => $author->display_name,
];
}
$metadata['author'] = $authors_json;
return $metadata;
}
function cap_set_amp_author_meta_template($file, $type, $post)
{
if ('meta-author' === $type) {
$file = __DIR__ . '/amp/meta-author.php';
}
return $file;
}
}