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What are Phalcon’s built-in validation methods?

What are Phalcon’s built-in validation methods?

Answer: Phalcon offers several built-in validation methods to ensure data integrity, including:

1. PresenceOf: Checks if a field is not empty.
2. Email: Validates that the field contains a valid email address format.
3. Url: Ensures the field is a valid URL.
4. Regex: Validates a field against a custom regular expression.
5. Between: Checks if a value falls within a specified range.
6. InclusionIn: Validates that a value is included in a predefined set of allowed values.
7. ExclusionIn: Checks that a value is not within a specified set of excluded values.
8. Numericality: Ensures that a value is a numeric type.

These validation methods can be integrated easily into models to enforce rules and ensure data consistency.

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