VailData data verification

Provides various official and user-released code examples. For code reference, you are welcome to learn more. The VailData data verification class is used for server-side (PHP) Verification to verify the legitimacy of incoming data values, which is easy to use.
VailData verification class, plug-in
Note:
The VailData verification class provides built-in functions such as 'A', 'E', 'F', 's', 'n', 'R', 'Q', and 'T ', 'P', 'U'
Function a: determines whether it is null.
E function: verify Email
F function: judge whether two values are equal
R function: Regular Expression Verification
Q function: Verify qq
T function: Verify mobile phone number
P function: verification phone number
U function: Verify url

The rules are as follows:
S function:
S1-10 representation: Must be string type and between 1-10 Characters
S1, indicating that the string type must be at least one character
S10: the string type and length must be equal to 10 characters.

N function:
Functions n and s use the same method, but the difference is that the function is used to determine whether it is a numeric type.

E function:
E function no additional parameter type such as: e1-10, e10, e10, are all wrong

F function:
To determine whether the two values are equal, only the form name or array key names such as, password and password can be provided for confirmation.
Form: password, repeat_password
You can use the f function. Password => array (frepeat_password, 'the password and password are inconsistent !!! ');R function:
Use any regular expression
If user name verification must start with a letter 'Username' => array ('R/[a-z] [\ w]/I ', 'username format is incorrect !!! ');Q function, t function, p function, u function:
It has no special significance. The example is as follows: Qq => array ('Q', 'incorrect QQ number format ');
Tel => array ('T', 'incorrect Mobile Phone Number Format ');
Phone => array ('P', 'incorrect phone format ');
Url => array ('U', 'url format incorrect ');The VailData function can execute simple logic judgment such:
Verify whether it is an email with a length of more than 10 Characters
Then the verification rule is 'Email '=> array ('e & s10,', 'email format is incorrect !!! ');Verification can be a phone number or a mobile phone number 'tel_phone'=>array('t|p')Special Verification (examples may not be appropriate) 'Test' => array ('e & s10, | n10', 'test format incorrect ');The preceding example shows that
The Email type must be 10 or more digits and 10 digits.

In addition, the VailData verification class can also pass in user-defined functions or enhance the scalability of the VailData verification class such:
However, functions and methods must comply with the following specifications:
1. Only true or false values can be returned, or a string value can be returned, but VailData will be processed as a boolean value.
2. You must bind a parameter, such
You need to verify whether the value is equal to the value you passed in, you must use the following format function($string,$eqVal) {
return $string == $eqVal;
}This is $ string. The value is automatically assigned by VailData,

Reference class B{
public function test_eq($string,$eq_val) {
return $string === $eq_val;
}
}Verification rules
Require B. class. php; 'Test' => array (new B (), 'test _ eq ', parameter 1, parameter 2,..., 'error message ');Note: The parameter passed here starts from $ eq_val, $ string, which is automatically passed in by VailData.

Example of common function input
Functions. php function test($string,$eq_val) {
return $string === $eq_val;
} 'Test' => array ('_ test', parameter 1, parameter 2,..., 'error message ');// The external function is identified,
Like the method, the parameter passed here starts from $ eq_val, $ string, and is automatically passed in by VailData.

If the verification fails, use the following method to determine if(!$b['vail_status']) parent::error($b['vail_error']);// For details, refer to the example
If it succeeds, it will return the array you previously passed in

The following is an example: If (isset ($ _ POST ['send']) {
$ PostData = VailData: _ vailData ()-> _ check (array (
'Username' => array ('s6-10 | n6-10 | r/^ [1] {3} $/| s5, ', 'username format incorrect '),
'Password' => array ('s10 | A', 'incorrect password format '),
'Repeat _ password' => array ('fpassword | n10, ', 'incorrect password validation format '),
'Email '=> array ('e & s10, | n10,', 'incorrect email format '),
'Remark' => array ('n10 & s10', 'Remarks cannot be blank '),
'Phone' => array ('s10, ',' the phone format is incorrect !!! '),
'Remark' => array ('_ check', '123456', 'comment format is not funny.'), // external function. _ must be added before the function name _
'Remark' => array (new B (), 'test', '000000', 'comment format is not funny '),
), $ _ POST );
If (! $ PostData ['vail _ status']) parent: error ($ postData ['vail _ error']);
}The above is how to use VailData.
Soon after completion, there may be many places to be improved and bugs to be fixed. I hope you will give more comments,

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