PHP Libraries

Verification code library

PHP high security verification code generation class

Verification code library

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PHP high security verification code generation classIntroducing a php high-security verification code generation program. This generation program needs to call some font libraries. You can call some fonts that come with your system. Of course, you can also like Dedecms also puts the fonts in a directory so that they can be used on the server.

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Very practical php verification code class, very practical php verification code_PHP tutorial

12Jul2016

Very practical php verification code class, very practical php verification code. Very practical php verification code class, very practical php verification code This example shares the php verification code class for your reference. The specific content is as follows php /** * * @author Administrator * *

PHP generates verification code, thumbnail and watermark image class sharing, verification code watermark_PHP tutorial

12Jul2016

PHP generates verification codes, class sharing of thumbnails and watermarks, and verification code watermarks. Class sharing for php to generate verification codes, thumbnails and watermarks. Verification code watermark encapsulates a class that can generate verification codes, thumbnails and watermarks. Share it with everyone. phpclass image{ sessio

Detailed explanation of the latest and most complete PHP verification code generation code (recommended), detailed explanation of verification code

06Jul2016

The latest and most complete PHP code to generate and produce verification codes with detailed explanation (recommended), detailed explanation of verification codes. The latest and most complete code for generating verification codes using PHP (recommended), detailed explanation of verification codes 1.0 First, look at the code phpheader("Content-Type:text/html;Charset=UTF-");// Set the coding style of the page hea

Use GD library to do verification code in php, phpgd library verification code_PHP tutorial

12Jul2016

In php, GD library is used for verification code, and phpgd library is used for verification code. Use GD library to do verification code in php, phpgd library verification code php require_once 'string.func.php';//Use GD library to do verification code/** *Add verification text* @param int $type * @param int $length */function

Simple and safe PHP verification code with calling method, PHP verification code with calling_PHP tutorial

12Jul2016

Simple and secure PHP verification code with calling method, PHP verification code with calling method. Simple and secure PHP verification code with calling method, PHP verification code with call. 1. Verification code example 2. PHP verification code class, secoder.class.php php /** * Security verification code * * Secure verification

The verification code appears when submitted multiple times (3 times)???

06Jul2016

1. The graphic verification code does not appear in the first three submissions. 2. The graphic verification code appears after the third time and can be submitted only after verification. What is the basis for counting the number of submissions? IP? Cookie? Session? Or other ideas. If it is a SMS verification code channel, others use dynamic How to control if the IP library is used to attack? http://m.rong3...

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