Php Chinese verification code implementation method _ PHP Tutorial

Php Chinese verification code implementation method. Php Chinese verification code implementation method this article describes the php Chinese verification code implementation method. Share it with you for your reference. The specific analysis is as follows: the specific code is as follows: php Chinese verification code implementation method

This document describes how to implement the php Chinese verification code. Share it with you for your reference. The specific analysis is as follows:

First look at the following:

The code is as follows:

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/********************************* * Code by Gently * 24/07/07 * Solemn statement: the verification code is randomly generated by the program. The word combinations of "some coincidence" are normal. , * Some people with ulterior motives should not give full play to their questions! * Power by ZendStudio. Net *********************************/ Session_start (); Header ("Content-type: image/PNG "); $ W = 180; $ H = 60; $ Fontface = "C: \ WINDOWS \ Fonts \ MSYH. TTF"; // font file $ Str = "when I come to him, I want to work in China. first, I want to work in order to become a citizen. When there is no such thing, the primary person is able to come to the primary school, and the lower-level students use their peers to say that they are too desperate and more sub-students. After the social media and small machines, the main power line, the high volume of electricity, the party has to set the depth of the law, the table of water, physical and chemical competition, now two political and three Before the ten-day war, there were no agricultural servers and other anti-body and fighting routes. Batch training emphasizes its thinking and in-room removal because of the day-to-day benefits of the parts by the pressure worker gas industry on behalf of the entire group number fruit period guide each base or month Mao ran For example, if all the scripts are directed to the change-related question Library, it is the most out-of-the-box question Library. The four-way horse recognizes the article, but the article is more grams and the public Kong leads the incoming seat, the situation, and the flying crude oil. 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(0,255 )); Imagearc ($ im, mt_rand (-10, $ w), mt_rand (-10, $ h), mt_rand (30,300), mt_rand (20,200), $ fontcolor ); } For ($ I = 0; I I <255; $ I ++ ){ $ Fontcolor = imagecolorallocate ($ im, mt_rand (0,255), mt_rand (1, 0,255), mt_rand (0,255 )); Imagesetpixel ($ im, mt_rand (0, $ w), mt_rand (0, $ h), $ fontcolor ); } *********/ For ($ I = 0; $ I <4; $ I ++ ){ $ Fontcolor = imagecolorallocate ($ im, mt_rand (0,120), mt_rand (0,120), mt_rand (0,120); // This ensures that the random color is darker. $ Codex = iconv ("GB2312", "UTF-8", substr ($ code, $ I )); Imagettftext ($ im, mt_rand (20, 24), mt_rand (- 60, 60), 40 * $ I + 20, mt_rand (30, 35), $ fontcolor, $ fontface, $ codex ); } Imagepng ($ im ); ?>

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The example in this article describes how to implement the php Chinese verification code. Share it with you for your reference. The specific analysis is as follows: the specific code is as follows...