get_faq( get_the_ID() );
if ( empty( $faq ) ) {
return;
}
$entities = array();
foreach ( $faq as $item ) {
$entities[] = array(
'@type' => 'Question',
'name' => $item['question'],
'acceptedAnswer' => array(
'@type' => 'Answer',
'text' => $item['answer'],
),
);
}
$schema = array(
'@context' => 'https://schema.org',
'@type' => 'FAQPage',
'mainEntity' => $entities,
);
echo '' . "\n";
}
/**
* Append a visible FAQ section to the post content.
*
* @param string $content Post content.
* @return string
*/
public function append_faq_block( $content ) {
if ( ! is_singular( 'post' ) || ! in_the_loop() || ! is_main_query() ) {
return $content;
}
$faq = $this->get_faq( get_the_ID() );
if ( empty( $faq ) ) {
return $content;
}
$html = "\n" . '';
$html .= '' . esc_html__( 'Frequently asked questions', 'admetric' ) . '
';
foreach ( $faq as $item ) {
$html .= '' . esc_html( $item['question'] ) . '
';
$html .= '' . esc_html( $item['answer'] ) . '
';
}
$html .= '';
return $content . $html;
}
/**
* Read and validate FAQ meta.
*
* @param int $post_id Post ID.
* @return array
*/
private function get_faq( $post_id ) {
$faq = get_post_meta( (int) $post_id, AdMetric_Publisher::META_FAQ, true );
if ( ! is_array( $faq ) ) {
return array();
}
$clean = array();
foreach ( $faq as $item ) {
if ( is_array( $item ) && ! empty( $item['question'] ) && ! empty( $item['answer'] ) ) {
$clean[] = array(
'question' => (string) $item['question'],
'answer' => (string) $item['answer'],
);
}
}
return $clean;
}
}