content type image

This article describes how to use session storage and the gd library to generate a verification code program, and add some interference elements to prevent machine registration, next I will introduce you to you. PHP verification code and the image

In php, The imagecreatetruecolor function must be used to generate high-definition images. The following describes how to use imagecreatetruecolor (int x, int y) to create a black image with a size of y, in this example, the background color is not

This code string cannot be displayed in linux. {code ...} access address demo for linux environment (problem) access address demo for mac environment (normal) If win is shut down, it will not be pasted (normal) I have added error_reporting (E_ALL);

First, we will introduce a self-written function.Copy codeThe Code is as follows:$ Imgsrc = "http://www.nowamagic.net/images/3.jpg ";$ Width = 780;$ Height = 420;Resizejpg ($ imgsrc, $ imgdst, $ width, $ height );Function resizejpg ($ imgsrc, $

Php Verification CodeCaptcha. class. phpCopy codeThe Code is as follows:Class Captcha{Private $ width;Private $ height;Private $ codeNum;Private $ code;Private $ im;Function _ construct ($ width = 80, $ height = 20, $ codeNum = 4){$ This-> width = $

Changing the size of an image is a common functional requirement. next we will study how to change the size of an image in PHP. First, we will introduce a self-written function. Copy codeThe code is as follows: $ Imgsrc = "http://www.nowamagic.net/

This article mainly introduces the Function Summary of generating images in the PHPGD Library, that is, imagegif, imagejpeg, imagepng, and imagewbmp, if you need an image, you can use the function provided in the GD library to dynamically draw the

This article describes how to use php to create a dynamic random verification code. For more information, see CAPTCHA) is the abbreviation of "Completely automation Public Turing test to tell Computers and Humans Apart" (a Completely Automated

Php implements code sharing of Baidu online drive images Require_once ('Snoopy. class. php '); // Http://www.abc.com/bdp.php? Consumer id = 29160 & uk = 2855065916 $ Url = 'http: //

Huawei online storage has a straight-chain function, but it requires money. I have a Baidu network disk, but Baidu's external network disk chain cannot be directly used in the web page. Baidu can also have this function one day. First Code: less

This article provides a detailed analysis of the encapsulation verification code class implemented by PHP. For more information, see use PHP to write a verification code class and encapsulate it. Class name: validationcode. class. phpThe code is as

Php creates non-distorted HD image implementation code. In php, the imagecreatetruecolor function must be used to generate high-definition images. The following describes how to use imagecreatetruecolor (intx, inty) to create a black image with a

PHPGD library to generate image function summary, phpgd. PHPGD library generates several function summaries of the image. after phpgd uses the function provided in the GD library to dynamically draw the image, it needs to be output to the browser or

Php image verification code multiple instances // File header... Header ("Content-type: image/png "); // Create white paper with true color $ Im = @ imagecreatetruecolor (50, 20) or die ("image

This article describes how to use php to create a dynamic random Verification Code. For more information, see CAPTCHA) is the abbreviation of "Completely automation Public Turing test to tell Computers and Humans Apart" (a Completely Automated

Php code that may be used 1. delay the request file to simulate scenarios with poor network speed. the code address is as follows: gist. github. com2650596? & Lt ;? Php *** delay. php? Ffile. js & amp; t100 ** the latency is 100 milliseconds to load

Environmental php5.3 nginx1.8When generating the captcha picture ` private function outputImg(){ if (imagetypes() & IMG_JPG) { header('Content-type: image/jpeg'); imagejpeg($this->im); } elseif (imagetypes() & IMG_GIF) {

Encapsulate a verification code class validationcode. class. php & lt ;? PhpclassValidationCode {private $ width; private $ height; private $ codeNum; private $ image; // image Resource private $ disturbColorNu Encapsulate a verification code

& Lt ;? Php/*** verification code class * chaojie2008@126.com * 2012-02-09 ***/classVailimg {private $ width; // The width of the verification code picture private $ height; // The height of the verification code picture private $ codeNum; // The

PHP plot (1 ). I dare not say "speak" about the GD library here, because I only use GD once or twice, and the vast majority of functions have not been used yet. But I had to submit a draft to me with enthusiasm. I dare not say "speak" about the GD