wp-includes/rest-api/endpoints/class-wp-rest-url-details-controller.php:286Parses the title tag contents from the provided HTML.
$htmlstringstring private function get_title( $html ) { $pattern = '#<title[^>]*>(.*?)<\s*/\s*title>#is'; preg_match( $pattern, $html, $match_title ); if ( empty( $match_title[1] ) || ! is_string( $match_title[1] ) ) { return ''; } $title = trim( $match_title[1] ); return $this->prepare_metadata_for_output( $title ); }Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-url-details-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.