Validation Constraints

The Symfony Validator is designed to validate objects against constraints. In real life, a constraint could be: “The cake must not be burned”. In Symfony, constraints are similar: They are assertions that a condition is true.

Supported Constraints

The following constraints are available:

String Constraints

• Json

Number Constraints

• Bsn

Collection Constraints

• Collection

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Table of contents

• Bsn
• Collection
• Json