wp-includes/fonts/class-wp-font-face-resolver.php:28Gets fonts defined in theme.json.
array public static function get_fonts_from_theme_json() { $settings = wp_get_global_settings(); // Bail out early if there are no font settings. if ( empty( $settings['typography']['fontFamilies'] ) ) { return array(); } return static::parse_settings( $settings ); }Introduced in 6.4.0. 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-face-resolver.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.