YII2 Rules Validation Rule

Rules Validation rule:

Required : Mandatory value validation Attribute | | The alias of the Crequiredvalidator ensures that the attribute is not empty.

[[' Field name 1 ', ' Field Name 2 '],required]//Field 1 2 Required [[' Field name '],required, ' requiredvalue ' = ' required value ', ' message ' = ' message '];

Email : Email Verification | | The alias of Cemailvalidator ensures that the value of the attribute is a valid e-mail address.

[' email ', ' email '];

match : Regular validation | | The alias of the Cregularexpressionvalidator ensures that the attribute matches a regular expression.

[[' Field name '], ' match ', ' pattern ' = ' regular expression ', ' message ' = ' hint message '];  [[' Field name '], ' match ', ' not ' =>ture, ' pattern ' = ' regular expression ', ' message ' = ' hint message ']; /* Regular Take counter */

URL : URL | | The alias of the Curlvalidator ensures that the feature is a valid path.

[' website ', ' url ', ' defaultscheme ' = ' http '];

Captcha(verification code) | | The Ccaptchavalidator alias ensures that the value of the attribute is equal to the verification code displayed by the CAPTCHA.

[' Verificationcode ', ' captcha '];

Safe: Secure

[' Description ', ' safe '];

Compare :(Compare) The alias of the Ccomparevalidator, ensuring that the value of the attribute equals another attribute or constant.

[' Repassword ', ' compare ', ' compareattribute ' = ' password ', ' message ' = ' two ' password inconsistent! '],//comparevalue: Compare constant value operator: comparison operator [' age ', ' compare ', ' comparevalue ' = ' = ' operator '];

default: Defaults | | An alias for the cdefaultvaluevalidator that assigns a default value to the attribute.

[' Age ', ' Default ', ' value ' = null];

exist : Presence | | A cexistvalidator alias that ensures that the attribute value exists in the specified data table field.

[' Field name ', ' exist '];

file: Files | | The alias of the Cfilevalidator ensures that the feature contains the name of an uploaded file.

[' Primaryimage ', ' file ', ' extensions ' = [' png ', ' jpg ', ' gif '], ' maxSize ' and 1024*1024*1024]

Filter : Filter | | Cfiltervalidator alias, use a Filter transform property.

' Skiponarray ' = true is not required [[' username ', ' email '], ' filter ', ' filter ' = ' trim ', ' skiponarray ' and ' = true];

in: Range | | The alias of the Crangevalidator ensures that the feature appears in the list of values for a subscription.

[' Level ', ' in ', ' range ' = [1, 2, 3]];

unique: Uniqueness | | The alias of the Cuniquevalidator ensures that the attribute is unique within the data table field.

[' Field name ', ' unique ']

Supplemental : Federated unique index rule rule

[' app_id ', ' group_id '], ' unique ', ' targetattribute ' = [' app_id ', ' group_id '], ' message ' = ' app_id ' And group_id have been occupied! ‘],

integer: Integers

[' Age ', ' Integer '];

Number: Numeric

[' Salary ', ' number '];

Double: dual-precision floating-point

[' Salary ', ' double '];

Date: (dates)

[[' From ', ' to '], ' date ';

String: Strings

[' username ', ' string ', ' length ' = [4, 24]];

Boolean : Is a Boolean value | | Aliases for Cbooleanvalidator

[' Field name ', ' Boolean ', ' truevalue ' = ' = ', ' falsevalue ' = False, ' strict ' = true];

image : is a valid picture file

[' Primaryimage ', ' image ', ' extensions ' = ' png, jpg ', ' minWidth ' = ', ' maxWidth ' = +, ' m Inheight ' = +, ' maxheight ' + 1000]

Each : traversal, IDs, and Product_ids are collections of numbers

[' IDs ', ' product_ids '], ' each ', ' rule ' = [' integer ']],

Custom rules:

[' Password ',  ' ValidatePassword '],/** * validates the password. * this  method serves as the inline validation for password. * * @ param string  $attribute  the attribute currently being validated *   @param  array  $params  the additional name-value pairs given in  the rule */public function validatepassword ($attribute,  $params) {     if  (! $this->haserrors ())  {         $user   =  $this->getuser ();        if  (! $user  | |  ! $user->validatepassword ($this->password))  {              $this->adderror ($attribute,  ' account or password error! ');         }    }} 

Yii2 rules Validation rule