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PHP verification code class

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PHP verification code class We use PHP's GD library to image process content and design a verification code class Vcode. Declare this class in the file vcode.class.php, and encapsulate some implementation details in this class through object-oriented features. As long as you provide three parameters to the construction method when creating the object, including the width and height of the verification code image and the number of verification code letters, you can successfully create an object of the verification code class.

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Verification code class, php verification code class. Verification code class, php verification code class. Familiar with related image processing functions, simple verification code class 1 // code class 2 class ValidateCode { 3 private $charset = 'abcdefghkmnprstuvwxyzABCDEFGHKMNP

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This article mainly introduces the use of PHP to implement the verification code class. It has certain reference value. Now I share it with you. Friends in need can refer to it.

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