gd library

GD InstallationThe first thing to do is to install GD into the system, and install GD before the installation of jpeg-6b, libpng, Zlib, FreeType. Here is the download URL:GD 2.0.33jpeg-6bLibpng 1.2.8Zlib 1.2.3Freetype-2.1.10.tar.gzCode:wget

The GD2 function library in PHP5 provides powerful drawing capabilities.After installing PHP, you can enter "http://127.0.0.1: Port number/phpinfo.php" in the address bar of the browser.Press the ENTER key to retrieve the installation information

1, the code is as follows:function fillrandomstring () {Generate Verification Code$char = Array_merge (range (0, 9), Range ("A", "Z"), Range ("A", "Z"));Talk about string $char upset$luan = Str_shuffle (Implode ("", $char));Randomly take four bits

The PHP code is as follows: Copy Code code as follows: Header ("content-type:text/html; Charset=utf-8 "); if (!empty ($_post[' submit ')) { $url = $_post[' url ']; Action to get a picture of a relative path $url _fields = Parse_url (

This example for you to share the PHP use of the GD library for the image of the method of adding watermarks for your reference, the specific contents are as follows Effect Chart: The above is the entire content of this article, I

This article illustrates the method of solving the Chinese garbled problem by the Imagettftext function of GD library in PHP. Share to everyone for your reference. Specifically as follows: When using Imagettftext to write Chinese, garbled problems

When the Windows Server opens the GD Library of PHP, the results of phpinfo () after using CGI do not appear in the Configure Command. The Configure Command displays the following : Copy Code code as follows: 1 Cscript/nologo configure.

//+------------------------------------------------- //| * File validate_image.php //| * Function Realization Site Login authentication Code //| * Version 1.0.0 //| * Date 2005-4-1 //| * Author of Northwest Wolf QQ 500784 Cokeyang at hotmail.com //|

It is relatively simple to configure PHP in Apache.I. Software preparation: The following are the latest official versions as of May 20 ,.PHP (5.0.4 ):Http://cn.php.net/get/php-5.0.4-Win32.zip/from/a/mirrorMySQL (4.1.11 ):Http://www.skycn.com/soft/12

? Php $ imgimagecreatetruecolor (600,600); Create a 600px * 600px true color image $ cornflowerblueimagecolorallocate ($ img, 100,149,237); imagefill ($ img, $ cornflowerblue ); fill the background color imagefill ($ img, 30, 30, $ cornflowerblue);

In Linux, you can set up an Apache + PHP + MysQL + Zend + PHPMyAdmin + GD database with one click-Linux Enterprise Application-Linux server application information. For more information, see the following. Author: Flying de hope Software

The GD library is a powerful php library for image operations. Add a line of reference in PHP. ini: Extension = php_gd2.dll Restart Apache. Make a test page var_dump (gd_info (). The output data indicates that the GD database is referenced

To do QR code anti-counterfeiting for the customer, he needs to paste the QR code to the product, and then download the QR code cannot match the product one by one. Therefore, this function is required. To do QR code anti-counterfeiting for the

First, the preparatory work: 1, the installation of good 2, ready to use the software, I used the specific following: PHP (as the current mainstream development language) V5.2.1 for Windows Http://www.skycn.com/soft/516.html MySQL (best

  Figure-LAMP LAMPLowerPHPThe installation is very troublesome.GD library. This is one of our most common modules. Installing the GD library in Linux is much more troublesome than windows. This configuration is in CentOS-5.3 under Php-5.2.9 . Source

TheProgramIt is helpful for teaman to generate PNG images of the current time without using the GD library. Function set_4pixel ($ R, $ g, $ B, $ X, $ Y){Global $ Sx, $ Sy, $ pixels; $ OFS = 3 * ($ SX * $ Y + $ X );$ Pixels [$ OFS] = CHR ($ R

PHP image Processing1. Picture Background ManagementUse the Imagecreate () and Imagecreatetruecolor () functions to create canvas resources. But if you already have a picture to work with, just use this image as a canvas resource, which is what we

In the previous php Tutorial, the phpgd library can be used to download remote images. However, it only downloads an image in the same principle, to download all the images on a Web page, you only need to use regular expressions to judge and find

Share an example of generating thumbnails using the GD library of php. For more information, see. The code is as follows: Header ("content-type: text/html; charset = gbk ");Ini_set ("date. timezone", "Asia/chong ");// Determine whether the file

This article describes how to add a watermark to a page using the GD Library in php. For more information, see The code is as follows: Header ("Content-type: image/png ");$ Conn = MYSQL_connect ("localhost", "root", ""); // connect to the