A simple php verification class will teach you how to write a php program (including multiple verification rules) _ PHP Tutorial

A simple php verification class teaches you how to write a php program (including multiple verification rules ). When developing a website, many people tend to simply pass JavaScript verification. when you accidentally write a comma or dot in JavaScript, ie6 will skip verification if it cannot be identified. In fact, most people often use simple js verification when developing websites. when you accidentally write a comma or dot in js, if ie6 cannot be identified, the verification is skipped. In fact, the safest way is to verify the user input data on the server. I wrote a simple php verification class, which contains multiple verification rules for your reference. Original article link

[Php]
/**
* User input rule verification class
* Author HaiNing Zhang
* Date 2013-05-23
*/
Class Validate {
// Verification rules
Private $ role_name = array (
// Verify whether it is null
'Requestred ',

// Match the email address
'Email ',

// Match the ID card
'Idcode ',

// Match numbers
'Number ',

// Match the http address
'Http ',

// Match the QQ number
'QQ ',

// Match the Chinese postal code
'Postcode ',

// Match the IP address
'IP ',

// Match the phone format
'Telphone ',

// Match the mobile phone format
'Mobile ',

// Match 26 English letters
'En _ word ',

// Match only Chinese characters
'CN _ word ',

// Verify the account (starting with a letter, consisting of letters, numbers, and underscores (_), 4-20 bytes)
'User _ account ',
);

/**
* [Verify the function]
* @ Param [array] $ data [data to be verified by the user]
* @ Param [array] $ validate_role [verification rules]
* @ Param [array] $ validate_err_msg [error message prompt]
* @ Return [bool] [success returns true, failure returns an error message]
*/
Public function verify ($ data, $ validate_role, $ validate_err_msg = ''){
If (empty ($ data) return false;
If (empty ($ validate_role) return false;
Foreach ($ data as $ key => $ value ){
$ Key = strtolower ($ key );
Foreach ($ validate_role as $ kk => $ vv ){
$ Kk = strtolower ($ kk );
If ($ key = $ kk ){
Foreach ($ vv as $ k => $ v ){
$ K = strtolower ($ k );
If (! In_array ($ k, $ this-> role_name) return 'role name "'. $ k.'" is not found! ';
If ($ v = true ){
If (! $ This-> $ k ($ value )){
If (! Isset ($ validate_err_msg [$ kk] [$ k])
Return 'Var '. $ key. 'in'. $ k.' of regular validation failure! ';
Return $ validate_err_msg [$ kk] [$ k];
}
}
}
}
}
}
Return true;
}

// Obtain the rule array
Public function get_role_name (){
Return $ this-> role_name;
}

// Set property rules
Public function set_role_name ($ arr ){
$ This-> role_name = array_merge ($ this-> role_name, $ arr );
}

// Verify whether it is null
Public function required ($ str ){
If (trim ($ str )! = "") Return true;
Return false;
}

// Verify the email format
Public function email ($ str ){
If (preg_match ("/^ ([a-zA-Z0-9] + [_ | \.]?) * [A-zA-Z0-9] + @ ([a-zA-Z0-9] + [_ | \.]?) * [A-zA-Z0-9] + \. [a-zA-Z] {2, 3} $/", $ str) return true;
Else return false;
}

// Verify the ID card
Public function idcode ($ str ){
If (preg_match ("/^ \ d {14} (\ d {1} | \ d {4} | (\ d {3} [xX]) $ /", $ str) return true;
Else return false;
}

// Verify the http address
Public function http ($ str ){
If (preg_match ("/[a-zA-Z] +: \/[^ \ s] */", $ str) return true;
Else return false;
}

// Match the QQ number (the QQ number starts from 10000)
Public function qq ($ str ){
If (preg_match ("/^ [1-9] [0-9] {4,} $/", $ str) return true;
Else return false;
}

// Match the Chinese postal code
Public function postcode ($ str ){
If (preg_match ("/^ [1-9] \ d {5} $/", $ str) return true;
Else return false;
}

// Match the IP address
Public function ip ($ str ){
If (preg_match ("/^ \ d {1, 3 }\. \ d {1, 3 }\. \ d {1, 3 }\. \ d {1, 3} $/", $ str) return true;
Else return false;
}

// Match the phone format
Public function telephone ($ str ){
If (preg_match ("/^ \ d {3}-\ d {8 }$ | ^ \ d {4}-\ d {7} $/", $ str )) return true;
Else return false;
}

// Match the mobile phone format
Public function mobile ($ str ){
If (preg_match ("/^ (13 [0-9] | 15 [0-9] | 18 [0-9]) \ d {8} $ /", $ str) return true;
Else return false;
}

// Match 26 English letters
Public function en_word ($ str ){
If (preg_match ("/^ [A-Za-z] + $/", $ str) return true;
Else return false;
}

// Match only Chinese characters
Public function cn_word ($ str ){
If (preg_match ("/^ [\ x80-\ xff] + $/", $ str) return true;
Else return false;
}

// Verify the account (starting with a letter, consisting of letters, numbers, and underscores (_), 4-20 bytes)
Public function user_account ($ str ){
If (preg_match ("/^ [a-zA-Z] [a-zA-Z0-9 _] {} $/", $ str) return true;
Else return false;
}

// Verify the number
Public function number ($ str ){
If (preg_match ("/^ [0-9] + $/", $ str) return true;
Else return false;
}
}

/**
* User input rule verification class
* Author HaiNing Zhang
* Date 2013-05-23
*/
Class Validate {
// Verification rules
Private $ role_name = array (
// Verify whether it is null
'Requestred ',

// Match the email address
'Email ',

// Match the ID card
'Idcode ',

// Match numbers
'Number ',

// Match the http address
'Http ',

// Match the QQ number
'QQ ',

// Match the Chinese postal code
'Postcode ',

// Match the IP address
'IP ',

// Match the phone format
'Telphone ',

// Match the mobile phone format
'Mobile ',

// Match 26 English letters
'En _ word ',

// Match only Chinese characters
'CN _ word ',

// Verify the account (starting with a letter, consisting of letters, numbers, and underscores (_), 4-20 bytes)
'User _ account ',
);

/**
* [Verify the function]
* @ Param [array] $ data [data to be verified by the user]
* @ Param [array] $ validate_role [verification rules]
* @ Param [array] $ validate_err_msg [error message prompt]
* @ Return [bool] [success returns true, failure returns an error message]
*/
Public function verify ($ data, $ validate_role, $ validate_err_msg = ''){
If (empty ($ data) return false;
If (empty ($ validate_role) return false;
Foreach ($ data as $ key => $ value ){
$ Key = strtolower ($ key );
Foreach ($ validate_role as $ kk => $ vv ){
$ Kk = strtolower ($ kk );
If ($ key = $ kk ){
Foreach ($ vv as $ k => $ v ){
$ K = strtolower ($ k );
If (! In_array ($ k, $ this-> role_name) return 'role name "'. $ k.'" is not found! ';
If ($ v = true ){
If (! $ This-> $ k ($ value )){
If (! Isset ($ validate_err_msg [$ kk] [$ k])
Return 'Var '. $ key. 'in'. $ k.' of regular validation failure! ';
Return $ validate_err_msg [$ kk] [$ k];
}
}
}
}
}
}
Return true;
}

// Obtain the rule array
Public function get_role_name (){
Return $ this-> role_name;
}

// Set property rules
Public function set_role_name ($ arr ){
$ This-> role_name = array_merge ($ this-> role_name, $ arr );
}

// Verify whether it is null
Public function required ($ str ){
If (trim ($ str )! = "") Return true;
Return false;
}

// Verify the email format
Public function email ($ str ){
If (preg_match ("/^ ([a-zA-Z0-9] + [_ | \.]?) * [A-zA-Z0-9] + @ ([a-zA-Z0-9] + [_ | \.]?) * [A-zA-Z0-9] + \. [a-zA-Z] {2, 3} $/", $ str) return true;
Else return false;
}

// Verify the ID card
Public function idcode ($ str ){
If (preg_match ("/^ \ d {14} (\ d {1} | \ d {4} | (\ d {3} [xX]) $ /", $ str) return true;
Else return false;
}

// Verify the http address
Public function http ($ str ){
If (preg_match ("/[a-zA-Z] +: \/[^ \ s] */", $ str) return true;
Else return false;
}

// Match the QQ number (the QQ number starts from 10000)
Public function qq ($ str ){
If (preg_match ("/^ [1-9] [0-9] {4,} $/", $ str) return true;
Else return false;
}

// Match the Chinese postal code
Public function postcode ($ str ){
If (preg_match ("/^ [1-9] \ d {5} $/", $ str) return true;
Else return false;
}

// Match the IP address
Public function ip ($ str ){
If (preg_match ("/^ \ d {1, 3 }\. \ d {1, 3 }\. \ d {1, 3 }\. \ d {1, 3} $/", $ str) return true;
Else return false;
}

// Match the phone format
Public function telephone ($ str ){
If (preg_match ("/^ \ d {3}-\ d {8 }$ | ^ \ d {4}-\ d {7} $/", $ str )) return true;
Else return false;
}

// Match the mobile phone format
Public function mobile ($ str ){
If (preg_match ("/^ (13 [0-9] | 15 [0-9] | 18 [0-9]) \ d {8} $ /", $ str) return true;
Else return false;
}

// Match 26 English letters
Public function en_word ($ str ){
If (preg_match ("/^ [A-Za-z] + $/", $ str) return true;
Else return false;
}

// Match only Chinese characters
Public function cn_word ($ str ){
If (preg_match ("/^ [\ x80-\ xff] + $/", $ str) return true;
Else return false;
}

// Verify the account (starting with a letter, consisting of letters, numbers, and underscores (_), 4-20 bytes)
Public function user_account ($ str ){
If (preg_match ("/^ [a-zA-Z] [a-zA-Z0-9 _] {} $/", $ str) return true;
Else return false;
}

// Verify the number
Public function number ($ str ){
If (preg_match ("/^ [0-9] + $/", $ str) return true;
Else return false;
}
}
Call method

[Php]
Require ('Model/Validate. php ');
$ Data = array (
"Username" => 'ningofaura @ gmail.com ',
"Qq" => '000000 ',
"Nickname" => 'Zhang Haining ',
"Id" => '24 ',
);
$ Validate_role = array (
'Username' => array (
'Requestred' => true,
'Email '=> true,
),
'QQ' => array (
'Requestred' => true,
'QQ' => true,
),
'Nickname' => array (
'Requestred' => true,
),
'Id' => array (
'Requestred' => true,
'Number' => true,
),
);

$ Validate_err_msg = array (
'Username' => array (
'Required' => "the user name cannot be blank ",
'Email '=> "incorrect email format ",
),
'QQ' => array (
'Required' => "qq cannot be blank ",
'QQ' => "incorrect qq format ",
),
'Nickname' => array (
'Required' => "nickname cannot be blank ",
),
'Id' => array (
'Required' => "id cannot be blank ",
'Number' => "not a number ",
),
);
$ Validate = new Validate ();
$ Rt = $ Validate-> verify ($ data, $ validate_role, $ validate_err_msg );
If ($ rt! = True ){
Echo $ rt;
Exit;
}

Require ('Model/Validate. php ');
$ Data = array (
"Username" => 'ningofaura @ gmail.com ',
"Qq" => '000000 ',
"Nickname" => 'Zhang Haining ',
"Id" => '24 ',
);
$ Validate_role = array (
'Username' => array (
'Requestred' => true,
'Email '=> true,
),
'QQ' => array (
'Requestred' => true,
'QQ' => true,
),
'Nickname' => array (
'Requestred' => true,
),
'Id' => array (
'Requestred' => true,
'Number' => true,
),
);

$ Validate_err_msg = array (
'Username' => array (
'Required' => "the user name cannot be blank ",
'Email '=> "incorrect email format ",
),
'QQ' => array (
'Required' => "qq cannot be blank ",
'QQ' => "incorrect qq format ",
),
'Nickname' => array (
'Required' => "nickname cannot be blank ",
),
'Id' => array (
'Required' => "id cannot be blank ",
'Number' => "not a number ",
),
);
$ Validate = new Validate ();
$ Rt = $ Validate-> verify ($ data, $ validate_role, $ validate_err_msg );
If ($ rt! = True ){
Echo $ rt;
Exit;
}

Of course, if you think that verification cannot meet your needs, you can create subclass extension methods.

[Php]
/**
* Asynchronous database verification
* Author HaiNing Zhang
* Date 2013-05-23
*/
Class AjaxValidate extends Validate {
Private $ role_name = array (
// Verify whether the user name exists
'Is _ username ',

// Verify whether the nickname exists
'Is _ nickname ',
);

Private $ db;

Public function _ construct (){
$ This-> db = & load_system ("Database ");
$ This-> set_role_name ($ this-> role_name );
}

// Determine whether the user name can be registered (to prevent repeated user names)
Public function is_username ($ username ){
$ _ Username = $ this-> db-> filter ('s ', $ username );
$ SQL = "select id from user where username =". $ _ username;
If ($ this-> db-> num_rows ($ SQL )){
Return false;
} Else {
Return true;
}
}

// Determine whether a nickname is available (to prevent duplicate nicknames)
Public function is_nickname ($ nickname ){
$ _ Nickname = $ this-> db-> filter ('s ', $ nickname );
$ SQL = "select id from user where nickname =". $ _ nickname;
If ($ this-> db-> num_rows ($ SQL )){
Return false;
} Else {
Return true;
}
}
}

/**
* Asynchronous database verification
* Author HaiNing Zhang
* Date 2013-05-23
*/
Class AjaxValidate extends Validate {
Private $ role_name = array (
// Verify whether the user name exists
'Is _ username ',

// Verify whether the nickname exists
'Is _ nickname ',
);

Private $ db;

Public function _ construct (){
$ This-> db = & load_system ("Database ");
$ This-> set_role_name ($ this-> role_name );
}

// Determine whether the user name can be registered (to prevent repeated user names)
Public function is_username ($ username ){
$ _ Username = $ this-> db-> filter ('s ', $ username );
$ SQL = "select id from user where username =". $ _ username;
If ($ this-> db-> num_rows ($ SQL )){
Return false;
} Else {
Return true;
}
}

// Determine whether a nickname is available (to prevent duplicate nicknames)
Public function is_nickname ($ nickname ){
$ _ Nickname = $ this-> db-> filter ('s ', $ nickname );
$ SQL = "select id from user where nickname =". $ _ nickname;
If ($ this-> db-> num_rows ($ SQL )){
Return false;
} Else {
Return true;
}
}
}

Bytes. Actually the most secure...