Below is the complete list of predefined validator aliases:
-
boolean: alias of CBooleanValidator, ensuring the attribute has a value that is either CBooleanValidator::trueValue or CBooleanValidator::falseValue. -
captcha: alias of CCaptchaValidator, ensuring the attribute is equal to the verification code displayed in a CAPTCHA. -
compare: alias of CCompareValidator, ensuring the attribute is equal to another attribute or constant. -
email: alias of CEmailValidator, ensuring the attribute is a valid email address. -
date: alias of CDateValidator, ensuring the attribute represents a valid date, time, or datetime value. -
default: alias of CDefaultValueValidator, assigning a default value to the specified attributes. -
exist: alias of CExistValidator, ensuring the attribute value can be found in the specified table column. -
file: alias of CFileValidator, ensuring the attribute contains the name of an uploaded file. -
filter: alias of CFilterValidator, transforming the attribute with a filter. -
in: alias of CRangeValidator, ensuring the data is among a pre-specified list of values. -
length: alias of CStringValidator, ensuring the length of the data is within certain range. -
match: alias of CRegularExpressionValidator, ensuring the data matches a regular expression. -
numerical: alias of CNumberValidator, ensuring the data is a valid number. -
required: alias of CRequiredValidator, ensuring the attribute is not empty. -
type: alias of CTypeValidator, ensuring the attribute is of specific data type. -
unique: alias of CUniqueValidator, ensuring the data is unique in a database table column. -
url: alias of CUrlValidator, ensuring the data is a valid URL.
Source: http://www.yiiframework.com/doc/guide/1.1/en/form.model
