Gd Library For Php

How to make PHP at the same time support GIF, PNG, JPEG In RedHat6.2 according to the manual installation of PHP installed and found only deal with GIF images can not handle JPEG images. Later, I know that PHP handles images using the GD library, which initially supported the GIF. However, since the GIF uses a copyright controversial LZW algorithm that causes legal problems, GD libraries no longer support GD-1.6 GIF instead to support better, non-copyright-controversial PNGs. And I now want to support both GIF, PNG and JPE ...

Just install some third-party library files and have a certain degree of geometric knowledge, you can use PHP to create and process images. Creating a dynamic image with PHP is fairly easy. Below, I will detail how to achieve. Before using the basic image creation function, you need to install the GD library file. If you want to use JPEG-related image creation functions, you also need to install jpeg-6b, and you must install t1lib if you want to use Type 1 fonts in your images. In the establishment of the image creation environment, but also need to do some quasi ...

At present, many host systems for convenience, on the basis of IIS at the same time parsing the ASP, PHP and other scripting languages, so as to provide users with an all-round space.     This article writes about how to configure the PHP environment under IIS, provided that the Win2003 server, IIS6.0. First of all, from PHP official website: http://www.php.net/downloads.php Download PHP compression package, in writing this article, the latest version is PHP 5.3.0. Because it is ...

IIS PHP MySQL Zend Optimizer GD library phpmyadmin installation configuration [full revision utility] A, software preparation: The following are the latest official version of the 2006-1-20, the download address is also valid for a long time 1.PHP, Recommended PHP4.4.0 Zip Version: PHP (4.4.0): Http://cn.php.net/get/php-4.4.0-Win32.zip/from/a/mirror php (...)

In PHP to generate a CAPTCHA image is quite simple, because in PHP for us to provide a graphics Gd.dll library, to enable the GD graphics library we just php.ini in the PHP-GD front; Method a $authnum = '; $ychar = "0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z&qu ...

image mask * * @copyright ugia.cn * / function imagemask (& $ im, $ x1, $ y1, $ x2, $ y2, $ deep) {for ($ x = $ x1; $ x <$ x2; $ x + = $ deep) {& nbs ...

Three PHP tutorial Chinese verification code generation and transfer method Generate Chinese verification code in PHP must be generated and generated verification verification code is not the same operation, because gd function only accepts utf8 format encoded text, so use php to generate Chinese verification Before the first code to be encoded conversion, operation iconph icon can be an instance of PHP. * / $ ch_str = "Chinese characters you want to generate Chinese characters"; $ str = array (); for ($ i = 0; $ i <strlen ($ ch_s ...

Phplot is a graphic library for dynamic science, business, and stock market charts. It allows phphttp://www.aliyun.com/zixun/aggregation/7155.html "> developers to create pie charts, histogram, line diagrams, point diagrams, etc. from a PHP application. Phplot is a PHP graphics class for charts and floor plans. It works based on PHP5 (but older versions can use PHP4), using the PHP GD extension to generate PN ...

Imagettftext (PHP3, PHP4) imagettftext---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Use TrueType fonts to write text to graphics syntax: array imagettftext int IM, int size, int angle, int x, I ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall after we installed the Linux Server Web environment a key installation package Lanmp, 　　There may be a lot of doubt there is the use of the process of the problem, the following for you to sum up a few more common, if there are other questions, you can go to the Wdlinux forum to find relevant tutorials. 1. How to view a ...