bool has(int $offset) Returns whether the given offset exists.

ValidatorBuilderInterface

array getRequiredOptions() Returns the name of the required options. Override this method

ConstraintViolationBuilderInterface setParameter(string $key, string $value) Sets a parameter to be inserted into the violation message. Parameters string $key The name of the parameter string $value The value to be inserted in the parameter's place Return Value ConstraintViolationBuilderInterface This builder

string validatedBy() Returns the name of the class that validates this constraint. By

Constrain

class IsNull extends Constraint

Constrain

Constrain

class Image extends File