imagestring

PHP enables dynamic generation of pie, histogram, and line charts (GO) PHP in the image operation is very good performance, we can only use the free access to the GD library can easily achieve the diagram, table sketch. Here are the PHP

The following is the generation of EAN_13 Standard barcode PHP method, need PHP+GD environment Copy Code code as follows: ? function Ean_13 ($code) { The width of a cell $LW = 2; Barcode High $hi = 100; The guide code is no

  Verification Code (CAPTCHA) is an abbreviation for "completely automated public Turing test to tell Computers and humans Apart" (fully automatic distinguishing between computer and human Turing tests) A public fully automated procedure for

Here is a network of friends from the implementation of the file upload class code, we detailed the use of each variable, see below, there is a need to refer to. /*** File Upload Class*/Class UploadFile { Public $max _size = ' 1000000 ';//set

Example 1, using an array directly, this method is relatively simple The code is as follows Copy Code $arr =array (2,3,4,5,8,1,9,7, "a", "B", "C", "D", "E", "F", "medium", "Country", "South", "North", "Big", "small",

Look at the code first sunip.php Copy Code code as follows: Header ("Content-type:image/gif"); $im = Imagecreate (130,15); $background _color = imagecolorallocate ($im, 255, 255, 255); Unset ($IP); if ($_server['

Contains a counter, a reminder statement, User IP, and their own advertising picture. Send a header to the browser and say I'm a picture Header ("Content-type:image/png"); This defines the counter and puts it in a file $Visited =array (); if

Verification Code function Upcabarcode ($code) { $LW = 2; $hi = 100; $Lencode = Array (' 0001101 ', ' 0011001 ', ' 0010011 ', ' 0111101 ', ' 0100011 ', ' 0110001 ', ' 0101111 ', ' 0111011 ', ' 0110111 ', ' 0001011 '); $Rencode = Array (' 1110010 ',

To the front, we have been able to use GD to complete the basic needs of mapping. But sometimes I'm afraid I'll imagestring The five fonts you can use are small and ugly, and you'll need to use the following function. This function allows us to use

PHP has an extremely powerful image processing capability, which makes it easy to dynamically generate web images. This is a simple counter made using PHP. 1. General ideas: Record the number of previous visitors in a text file, and when the page

//基本步骤1,先创建一张指定宽度和高度的一张验证码图片 imagecreatetruecolor()2，给验证码图片添加背景颜色 和文字颜色 imagecolorallocate()3, 在指定图片上面，画一个矩形 imagefilledrectangle()4, 获取随机数  (定义一个函数) get_rand_str()  1，定义一个字符串   2，将上面的字符串 打乱  str_shuffle()  3，并且从这个打乱的字符串当中去截取一部分内容

Function UPCAbarcode ($ code ){$ Lw = 2; $ hi = 100;$ Lencode = array (0001101,0011001, 0010011,0111101, 0100011,0110001,0101111, 0111011,0110111, 0001011 );$ Rencode = array (1110010,1100110, 1101100,000010, 1011100,1001110,1010000, 1000100,1001000,

Php file Upload class code. Copy the code as follows :? Php *** file Upload class * classuploadFile {public $ max_size000000; set the size of the uploaded file to public $ file_namedate; rename indicates The code is as follows: /*** File Upload

A graph displays the PHP code of the IP address. Let's first read the code sunip. php and copy the code as follows :? Phpheader (Content-type: imagegif); $ imimagecreate (255,255,255); $ background_colorImageColorAllocate ($ im,); unset ($ ip); read

The principles of signature and ip are dynamically displayed in PHP .? Php contains a counter, a reminder statement, user ip address, and advertisement images. Send a Header to the browser, indicating that I am an image Header (Content-type:

A simple counter written in php3. Php has extremely powerful image processing capabilities and can be used to dynamically generate web images easily. Here is a simple counter made of php. 1. overall thinking: using php with extremely powerful image

A graphical display of ip php program code first look at the code Sunip. php The code is as follows: Header ("Content-type: image/gif ");$ Im = imagecreate (130,15 );$ Background_color = ImageColorAllocate ($ instant, 255,255,255 );Unset ($ ip );

Example of creating an image and drawing text in PHP, The text displayed in the image must also be drawn at the coordinate position. PHP not only supports a large number of font libraries, but also provides flexible text rendering methods. For

PHP verification code generation is often used to provide a basic security verification function when users register for Logon or publish information. The following section describes some common PHP Verification Code Generation Code and application

Display the Ip address and file sunip. php In a graphic format Copy codeThe Code is as follows:Header ("Content-type: image/gif ");$ Im = imagecreate (130,15 );$ Background_color = ImageColorAllocate ($ instant, 255,255,255 );Unset ($ ip );If ($ _