verification

Phprequire_once' String.func.php ';//Verify code via GD library/** * Add validation text * @param int $type * @param int $length*/functionBuildrandomstring ($type=1,$length=4){ $row=''; if($type==1){ $row=Join('',Range(0, 9)); }Elseif($type==2){ $row=Join('',Array_merge(Range(' A ', ' Z '),Range(' A ', ' Z '))); }Elseif($type==3){ $row=Join('',Array_merge(Range(' A ', ' Z '),Range(' A ', ' Z '),Range(0, 9))); }; $row=Str_shuffle($row); $row=substr($row, 0,$length); ret

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The example of this article describes the Zend Framework to generate the verification code and implement the Verification code verification function method. Share to everyone for your reference, specific as follows: Today, how to implement the function of the verification code in the message book. This will help our w

Php implements the Chinese character verification code and formula verification code. Php implements the Chinese character verification code and the formula verification code. This document describes how php implements the Chinese character verification code and the formula

Best Practice series (4)-PHP Security three axes: filtering, verification and escape verification Laravel underlying field verification implementation 2. verification data PHP native implementation Verification of input data is also important. Unlike filtering,

PHPWind9.0 manually blocks the verification code to solve the problem of disabling the verification code in the background but still displaying it. phpwind9.0 Verification Code Recently, a product was designed and requires POST login to PHPWind. However, PHPWind9 (pw9) has its own security policy. For details, you can go to the phpwind official forum. The existen

PHP implementation of Chinese character verification Code and Formula verification code method, PHP Chinese character Verification Code calculation This paper introduces the method of implementing Chinese character verification Code and arithmetic verification code in PHP.

A dynamic random verification code can be generated in just a few steps, with the final effect such as:650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/74/D9/wKioL1YscJvQIeqDAAF7uMWlQBA873.jpg "title=" Cheetah 20151025140145.png "alt=" Wkiol1yscjvqieqdaaf7umwlqba873.jpg "/>One front desk Display page login.jspWhere the verification code is shown is a picture, the link is to generate a code for the

Chinese character verification code and formula verification code. The Chinese character verification code and the formula verification code. the Chinese character verification code formula everyone knows that a simple number or letter v