post_content, $match ) ) {
$tags = \implode( ', ', $match[1] );
\wp_add_post_tags( $data->post_parent, $tags );
}
return $id;
}
/**
* Filter to replace the #tags in the content with links
*
* @param string $the_content the post-content
*
* @return string the filtered post-content
*/
public static function the_content( $the_content ) {
$the_content = \preg_replace_callback( '/' . ACTIVITYPUB_HASHTAGS_REGEXP . '/i', array( '\Activitypub\Hashtag', 'replace_with_links' ), $the_content );
return $the_content;
}
/**
* A callback for preg_replace to build the term links
*
* @param array $result the preg_match results
* @return string the final string
*/
public static function replace_with_links( $result ) {
$tag = $result[1];
$tag_object = \get_term_by( 'name', $tag, 'post_tag' );
if ( $tag_object ) {
$link = \get_term_link( $tag_object, 'post_tag' );
return \sprintf( '#%s', $link, $tag );
}
return '#' . $tag;
}
/**
* Adds all tags as hashtags to the post/summary content
*
* @param string $content
* @param WP_Post $post
*
* @return string
*/
public static function add_hashtags_to_content( $content, $post ) {
$tags = \get_the_tags( $post->ID );
if ( ! $tags ) {
return $content;
}
$hash_tags = array();
foreach ( $tags as $tag ) {
$hash_tags[] = \sprintf( '#%s', \get_tag_link( $tag ), $tag->slug );
}
return $content . '' . \implode( ' ', $hash_tags ) . '
';
}
}