Question d’entretien chez Voxforem Technologies

What’s the difference between include, require, include_once, and require_once — and when does each fail?

Réponse à la question d'entretien

Utilisateur anonyme

21 nov. 2025

runtime vs parse-time failure, behavior on missing files, cost of _once, use-cases (libraries vs optional files), and autoloading alternative. Key: require causes a fatal error if missing; include issues a warning but continues. _once prevents redeclaration but has slight performance overhead.