Article Introduction：Introduction to PHP original code, inverse code, and complement code. Introduction to PHP original code, inverse code, and complement code. Introduction to PHP original code, inverse code, and complement code. Original code: It is the original binary code. In fact, it is what we can understand after converting decimal to binary.

2016-07-12 comment 0  1215

Article Introduction：php, verification code: php complete verification code code: <?php require_once 'string.func.php';//Verification code through GD library/***Add verification text* @param int $type* @param int $length */function buildRandomString($type=1,$length=4){$row='';if($type==1){$row=join('',range(0, 9));}elseif( $

2016-07-29 comment 0  1831

Article Introduction：PHP verification code implementation code (3 types), PHP verification code code 3 types. PHP verification code implementation code (3 types), PHP verification code code 3 types. Verification codes are implemented in more and more forms, but verification codes written in JS always feel inconvenient, so I learned about PHP implementation.

2016-07-13 comment 0  1001

Article Introduction：PHP verification code generation code, PHP verification code generation. PHP verification code generation code, PHP verification code generation Verification code is usually used to ensure that our website registration or login is not injected, but for more security we usually generate some hybrid verification

2016-07-12 comment 0  982

Article Introduction：12306 Verification code: 12306 Verification code php mathematical operation verification code implementation code: Copy the code as follows: <?php //------------------------- ------------ // File description: Mathematical operation verification code // File author: Jesse Lee // Last updated: 2008-09-07 //---------- ----------------------------- session_start(); $sessionvar = 'vdcode'; //Sessi

2016-07-29 comment 0  1255

Article Introduction：PHP production graphic verification code code sharing, PHP graphic verification code code. PHP graphic verification code code sharing, PHP graphic verification code code effect: myvcode.class.php: encapsulates the class for creating verification codes php /* * file:myvcode.class.php * Verification code class, class name Vcode

2016-07-13 comment 0  1086

Article Introduction：PHP code: PHP code PHP code run time view class code sharing: Copy the code code as follows: //date:2011-08-05 class RunTime//Page execution time class { private $starttime;//Page start execution time private $stoptime ;//Page end execution time private $spendtime;//Page execution time function getmicrotime()//Get the floating point number that returns the current microseconds { list($usec,$sec)=

2016-07-29 comment 0  871

Article Introduction：12306 verification code: 12306 verification code php Chinese alphanumeric verification code implementation code: English and numbers <?php Header("Content-type:image/png"); //Define header, declare image file, preferably png, none Copyright interference; //Generate a new four-digit integer verification code session_start(); //Open session; $authnum_session = ''; $str = 'abcdefghijkmnpqrstuvwxyz1234567890'; //For definition

2016-07-29 comment 0  1448

Article Introduction：PHP code: PHP code with inferior PHP code is simplified: copy the code as follows: <? echo("<p>search results for query:"). $_GET['query'].".</p>"; ?> The main problem with this code is that it displays user-submitted data directly on the web page, thus creating an XSS vulnerability. There are actually many ways to fill this hole. So, what code do we want? Copy the code. The code is as follows:<? echo("<p>s

2016-07-29 comment 0  976

Article Introduction：PHP verification code implementation code

2016-07-25 comment 0  944

Article Introduction：Invitation code generator Java code

2016-11-11 comment 0  2298

Article Introduction：PHP QR code generation code

2016-07-25 comment 0  1366

Article Introduction：Simple verification code identification code made by php, php verification code code. Simple verification code identification code made by PHP, PHP verification code code. I have always wanted to write this. After a long time, I became interested and simply recorded it. CAPTCHA fully automatically differentiates between computers and humans

2016-07-12 comment 0  960

Article Introduction：Verification code is always wrong: Verification code is always wrong PHP verification code example code: If you want to use PHP's drawing function, you must first enable the function of this module. Just remove the comment in front of php_gd2.dll in php.ini. Start drawing below: Copy the code as follows: <?php session_start(); //Generate verification code image Header("Content-type: image/PNG"); $im = imagecreate(44,18); //Draw one Picture with specified width and height $back =

2016-07-29 comment 0  1109

Article Introduction：PHP verification code, php verification code code. PHP verification code, php verification code code. Design a verification code class. You can call the verification code class at any time when needed. Save it as ValidateCode.class.php 1? php 2 // Verification code class 3 session

2016-07-13 comment 0  884

Article Introduction：This article mainly introduces the differences between ordinary code blocks, constructed code blocks, static code blocks and code examples in Java. Friends in need can refer to it.

2017-01-18 comment 0  1214

Article Introduction：Library management system source code: Library management system source code php Generate random verification code image code: Copy the code as follows: <?php /** Default homepage**/ class DefaultController extends AppController { public function index() { $len = 5 ; $str = "ABCDEFGHIJKLNMPQRSTUVWXYZ123456789"; $im = imagecreatetruecolor ( 70, 20 );

2016-07-29 comment 0  1829

Article Introduction：12306 verification code: The 12306 verification code supports Chinese alphanumeric and custom fonts. PHP verification code code: Copy the code as follows: <?php /* * Captcha Class base on PHP GD Lib * @author Design * @version 1.0 * @demo * include('captchaClass.php'); * $captchaDemo=new Captcha(); * $captchaDemo->createImage(); */ class

2016-07-29 comment 0  1313

Article Introduction：Verification code class, php verification code class. Verification code class, php verification code class. Familiar with related image processing functions, simple verification code class 1 // code class 2 class ValidateCode { 3 private $charset = 'abcdefghkmnprstuvwxyzABCDEFGHKMNP

2016-07-12 comment 0  988

Article Introduction：PHP verification code code example. When we write user verification pages, such as registration and login, in order to enhance the security of user login, we add verification code verification. The verification code generates PNG images through GD and randomizes $randval

2016-07-13 comment 0  993