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php, verification code: php complete verification code code: <?php require_once 'string.func.php';//Verification code through GD library/***Add verification text* @param int $type* @param int $length */function buildRandomString($type=1,$length=4){$row='';if($type==1){$row=join('',range(0, 9));}elseif( $
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Example of php verification code (GD library generates verification code)
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PHP verification code code (latest modification, fully customized!). Authnum.class.php Download Copy code The code is as follows: ?php session_start(); class Authnum { //Image object, width, height, verification code length private $im; private $im_width; private
29 Jul 2016
access2003 verification code: access2003 verification code PHP generates a verification code with a snowflake background: <?php session_start(); session_register("login_check_number"); //I saw the verification code effect on chianren last night, so I thought about it and used PHP's GD library has completed similar functions //Generate the background first, and then put the generated verification code $img_height=120; //First define the length and width of the image $img_width=40; if($HTTP_GET_VARS["act"]
Use and development sharing of customized PHP verification code
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In the last class, we introduced the use of PHP verification code style. I believe everyone already knows a lot about PHP verification code. The function of verification code is involved in many places. There are also many examples on the Internet. Everyone is also familiar with the production of verification code. The canvas is generated first, and then strings, straight lines, noise points, and borders are added to the canvas to generate the verification code. Today I will introduce you to the customized verification code!
12 Jul 2016
PHP digital verification code, php digital verification code. PHP digital verification code, PHP digital verification code It is very convenient to implement verification code in PHP. The key point is to master the usage of PHP gd library and session. Looking at the examples of PHP generating verification codes on the Internet,
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PHP dynamically randomly generates verification code class
PHP dynamically randomly generates verification code class
Simple and easy-to-use PHP verification code class
Simple and easy-to-use PHP verification code class
A PHP verification code generation code
A PHP verification code generation code