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

class IsTrue extends Constraint

class Required extends

class GreaterThanOrEqualValidator extends

string|array getTargets() Returns whether the constraint can be put onto classes, properties

validate(mixed $value, Constraint $constraint)

class LessThanOrEqualValidator extends

class Isbn extends Constraint

class Time extends Constraint

class Regex extends Constraint