APIBoost Builder Form field constraint Interfaces FormFieldConstraint Classes AbstractFormFieldConstraint FormFieldConstraintAntiFlood FormFieldConstraintDate FormFieldConstraintDisplayNameExists FormFieldConstraintFileExtension FormFieldConstraintFileMaxSize FormFieldConstraintForbiddenMailDomains FormFieldConstraintIntegerMax FormFieldConstraintIntegerMin FormFieldConstraintIntegerRange FormFieldConstraintLengthMax FormFieldConstraintLengthMin FormFieldConstraintLengthRange FormFieldConstraintMailAddress FormFieldConstraintMailExist FormFieldConstraintMaxLinks FormFieldConstraintNotEmpty FormFieldConstraintPasswordStrength FormFieldConstraintPHPBoostAuthLoginExists FormFieldConstraintPictureFile FormFieldConstraintRegex FormFieldConstraintTel FormFieldConstraintUrl FormFieldConstraintUrlExists FormFieldConstraintUserExist