wp-includes/fonts/class-wp-font-library.php:119Gets a font collection.
$slugstringWP_Font_Collection|null public function get_font_collection( string $slug ) { if ( $this->is_collection_registered( $slug ) ) { return $this->collections[ $slug ]; } return null; }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/fonts/class-wp-font-library.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.