wp-includes/rest-api/endpoints/class-wp-rest-font-faces-controller.php:844Sanitizes a single src value for a font face.
$valuestringstring protected function sanitize_src( $value ) { $value = ltrim( $value ); return false === wp_http_validate_url( $value ) ? (string) $value : sanitize_url( $value ); }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/rest-api/endpoints/class-wp-rest-font-faces-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.