Captcha Script In Html

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PHP generates CAPTCHA pictures from getting started and proficient in tutorials

In PHP to generate a CAPTCHA image is quite simple, because in PHP for us to provide a graphics Gd.dll library, to enable the GD graphics library we just php.ini in the PHP-GD front; Method a $authnum = '; $ychar = "0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z&qu ...

PHP Graph Validation Code Generate Code and Include Ajax Validation Instance Application

Php tutorial pattern verification code generation code and include ajax verification example application previously written verification code program is to provide the source code, but did not really figure verification code generated to verify the instance, this time we have a complete example of PHP validation It's There are 3 files: authcode.php ----- verification code generation php file authcode.html ----- front display page dealauthcode.php ----- ajax submitted to the background processing to determine the verification code is correct Processing page ...

PHP Graph Validation Code Generate Code and Include Ajax Validation Instance Application

Php tutorial pattern verification code generation code and include ajax verification example application previously written verification code program is to provide the source code, but did not really figure verification code generated to verify the instance, this time we have a complete example of PHP validation It's There are 3 files: authcode.php ----- verification code generation php file authcode.html ----- front display page dealauthcode.php ----- ajax submitted to the background processing to determine the verification code is correct Processing page ...

How to prevent wordpress spam comments

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall use WordPress to do the site's friends the most headaches one thing is spam comments, if not to do a Some measures, almost every day with a lot of web sites, Chinese and English composition, such as the mix of spam comments produced, these spam comments seriously affect the quality of the site and the user experience, how to prevent word ...

"Ask the Bottom" Xu Hanbin: The Web system massively concurrent--electricity merchant second kills with buys up

"Guide" Xu Hanbin has been in Alibaba and Tencent engaged in more than 4 years of technical research and development work, responsible for the daily request over billion web system upgrades and refactoring, at present in Xiaoman technology entrepreneurship, engaged in SaaS service technology construction. The electric dealer's second kill and buys, to us, is not a strange thing. However, from a technical standpoint, this is a great test for the web system. When a web system receives tens or even more requests in a second, system optimization and stability are critical. This time we will focus on the second kill and snapping of the technology implementation and ...

Ultimix 1.5.86 Publishing Web Development Application framework

Ultimix 1.5.86 This version of the macro "User_list" has been improved. The title version of the macro visualization has been improved. The new http://www.aliyun.com/zixun/aggregation/18278.html > Data type is added to the security package script. The error in the Save script for settings in the template is fixed. Jslib's mistake was corrected. Data_form.js error was corrected. The document has been updated. &nbs ...

Ultimix 1.5.237 Publishing Web Development Application framework

Ultimix is a framework for web development applications, similar to CMS, portals, ERPs, etc. It supports multiple languages, and its function is to support http://www.aliyun.com/zixun/aggregation/18083.html "> Rights Management, MVC Small framework, encapsulation architecture, template engine, JavaScript library, Simple GUI libraries, caching systems, and CAPTCHA. Ultimix 1.5.237 This version update date ...

Ultimix 1.5.190 Publishing Web Development Application framework

Ultimix is a framework for web development applications, similar to CMS, portals, ERPs, etc. It supports multiple languages, and its function is to support http://www.aliyun.com/zixun/aggregation/18083.html "> Rights Management, MVC Small framework, encapsulation architecture, template engine, JavaScript library, Simple GUI libraries, caching systems, and CAPTCHA. Ultimix 1.5.190 This version update log ...

Ultimix 1.5.88 Publishing Web Development Application framework

Ultimix 1.5.88 Update log: &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp;     1. An error in the ' Cf_predefined_packages ' is fixed. 2. An error in the ' ...

Ultimix 1.5.98 Publishing Web Development Application framework

Ultimix is a framework for web development applications, similar to CMS, portals, ERPs, etc. It supports multiple languages, and its function is to support http://www.aliyun.com/zixun/aggregation/18083.html "> Rights Management, MVC Small framework, encapsulation architecture, template engine, JavaScript library, Simple GUI library, 5603.html "> Caching system, and CAPTCHA." Ult ...

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