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PHP implements simple and practical verification code class

Verification code library

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PHP implements simple and practical verification code class Describes the simple and practical verification code class implemented in PHP, $image->config('width', 'height', 'number of characters', 'verification code session index'), $image->create();//This will output an image to the browser, generate the verification code, generate the verification code image , Set the interference pixels of the picture, Draw the verification codes one by one on the verification code picture.

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PHP implements simple and practical verification code class, php simple and practical verification code_PHP tutorial

13 Jul 2016

PHP implements simple and practical verification code class, PHP simple and practical verification code. PHP implements a simple and practical verification code class, php simple and practical verification code This article describes an example of PHP implementing a simple and practical verification code class. Share it with everyone for your reference. The details are as follows: php/***

php5 verification code class (simple and practical)

25 Jul 2016

php5 verification code class (simple and practical)

PHP implements simple and practical verification code class_php skills

16 May 2016

This article mainly introduces the simple and practical verification code class implemented in PHP, including related techniques such as random verification codes, interference lines, image generation and output commonly used in verification codes. It has certain reference value. Friends in need can refer to it.

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

12 Jul 2016

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 implements simple image verification code

25 Jul 2016

PHP implements simple image verification code

PHP implements image verification code generation and verification

13 Sep 2023

PHP realizes the generation and verification of image verification codes. In website development, in order to prevent malicious machine attacks or automatic registration, we often use image verification codes for verification. This article will introduce how to use PHP to generate and verify image verification codes, and give specific code examples. Generating an image verification code The key to generating an image verification code is to generate a random verification code string and draw it onto the image. The following is a sample code that generates an image verification code: <?phpsession_start();//

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