Rules in the YII2

YII2 rules, user name rules, 1, user name can only be the letter 2, the user name is determined to exist 3, the length of the user name 4, the user name cannot be empty
[[' username '], ' match ', ' pattern ' = '/^[a-z]\w*$/i '],
[' username ', ' unique ', ' targetclass ' = ' \common\models\user ', ' message ' = ' user name already exists ',
[' username ', ' string ', ' min ' = 5, ' max ' = 255],

Rules in Yii2, rules for phone numbers
[' Mobile_phone ', ' Required ', ' message ' = ' mobile number cannot be empty '],
[' Mobile_phone ', ' filter ', ' filter ' = ' trim '],
[[' Mobile_phone '], ' match ', ' pattern ' = '/^ (1 ([35][0-9]) | ( 47) | [8] [0126789])) \d{8}$/'],
[' Mobile_phone ', ' unique ', ' targetclass ' = ' \common\models\user ', ' message ' = ' = ' This mobile phone number has alread Y been taken. '],

Rules for passwords, rules for repeating passwords
[' Password ', ' required '],
[' Password ', ' string ', ' min ' = 6],
[' Repassword ', ' compare ', ' compareattribute ' = ' password '],

Rules for mailboxes
[' email ', ' email ', ' message ' = ' Email error ' you entered '],
[' email ', ' unique ', ' targetclass ' = ' \common\models\user ', ' message ' = ' This mailbox has been registered '],

URL Rules

[' Store_logo ', ' url '],

[' start_time ', ' filter ', ' filter ' = ' strtotime '],
[' End_time ', ' filter ', ' filter ' = ' strtotime '],

Default value
[' Status ', ' Default ', ' Value ' =>self::status_check],

Rules in the YII2