wp-includes/fonts/class-wp-font-face-resolver.php:170Converts each 'file:./' placeholder into a URI to the font file in the theme.
$srcarrayarray private static function to_theme_file_uri( array $src ) { $placeholder = 'file:./'; foreach ( $src as $src_key => $src_url ) { // Skip if the src doesn't start with the placeholder, as there's nothing to replace. if ( ! str_starts_with( $src_url, $placeholder ) ) { continue; } $src_file = str_replace( $placeholder, '', $src_url ); $src[ $src_key ] = get_theme_file_uri( $src_file ); } return $src; }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.