jQuery verification code random number operation code

13 Jul 2016

Implementation code of PHP number operation verification code, PHP number operation verification code. Implementation code of PHP number operation verification code, PHP number operation verification code This article describes the method of PHP to implement number operation verification code. The specific implementation method is as follows: phpgetValidate(100,30)

25 Jul 2016

PHP number operation verification code

08 Jun 2018

This article mainly introduces PHP numbers and number operation verification codes. Interested friends can refer to it. I hope it will be helpful to everyone.

13 Jul 2017

This article mainly introduces the implementation code of js random verification code in detail. It has certain reference value. Interested friends can refer to it.

25 May 2023

As the Internet develops, website security becomes more and more important. One very important aspect is the verification code, which can effectively prevent malicious attacks and malicious registration operations. jQuery is a very popular JavaScript library, this article will introduce how to implement verification code in jQuery. 1. First, we need to generate a verification code image. Images can be generated using PHP or other server-side languages. Here we assume that there is already a file called captcha.php to generate the image. 2. In HT

25 Jul 2016

php random verification code php generates random verification code (graphic and text)

16 May 2016

This article mainly introduces a JS special effects code for rotating random numbers for lottery. Interested friends can refer to it.

29 Jul 2016

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

13 Jul 2018

This article mainly introduces tips on deduplication or statistics of PHP two-dimensional arrays based on a certain field. It has a certain reference value. Now I share it with you. Friends in need can refer to it.