PHP encapsulated verification code class sharing

21 Jul 2016

A PHP verification code class code sharing (encapsulated into a class). Copy the code as follows: ?php session_start(); Header("Content-type: image/gif"); class SecurityCode { private $codes = ''; function __construct() { $code = '0-1-2-3 -4-5-6-7-8-9-

28 Feb 2017

This article shares with you the code, principles and ideas of a PHP-encapsulated verification code class. It is very clear and detailed. Friends in need can refer to it.

25 May 2018

This article shares with you the code, principles and ideas of a PHP-encapsulated verification code class. It is very clear and detailed. Friends in need can refer to it.

13 Jan 2017

Yesterday in a Q group, the group leader posted a demo of using ASP.NET to implement verification code. I downloaded it and ran it normally. The img tag on the page successfully called a general handler and displayed the Chinese verification code image, although it was a little bit It's blurry, but it can be seen that there are four Chinese characters on it. The background of the picture is white, there are noise lines behind it, and the border is black.

13 Jul 2016

Personally written PHP verification code generation class sharing, PHP verification code generation sharing. Sharing the PHP verification code generation class written by myself, sharing the PHP verification code generation class. This verification code class can be used directly, or you can refer to it! The class member codestr is the generated verification code string

27 Feb 2017

The example of this article describes the verification code tool class encapsulated in PHP. Share it with everyone for your reference, as follows: <?php//Verification code tool class class Captcha{ //Attributes private $width; private $height; private $fontsize; private $pixes; private $lines; private $str_len; / * *Construction