3、 PHP的安装和配置
鉴于曾听说php4.0不支持jpeg（不知记错没），我建议还是用php的最新版。
下面的，大家应该熟悉得不能再熟悉了吧？
于是我把php的manual抄下来：
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1. gunzip apache_1.3.x.tar.gz
2. tar xvf apache_1.3.x.tar
3. gunzip php-x.x.x.tar.gz
4. tar xvf php-x.x.x.tar
5. cd apache_1.3.x
6. ./configure --prefix=/www
7. cd ../php-x.x.x
8. 这里是关键！！！
./configure --with-mysql --with-apache=../apache_1.3.x --enable-track-vars --with-jpeg-dir=/usr/lib --with-gd=/usr/gd-with_gif/lib
当然你也可以加上你自己的选项，此不赘述。
9. make
10. make install
11. cd ../apache_1.3.x
12. for PHP 4: ./configure --activate-module=src/modules/php4/libphp4.a
13. make
14. make install
Instead of this step you may prefer to simply copy the httpd binary
overtop of your existing binary. Make sure you shut down your
server first though.
15. cd ../php-x.x.x
16. for PHP 4: cp php.ini-dist /usr/local/lib/php.ini
You can edit your .ini file to set PHP options. If
you prefer this file in another location, use
--with-config-file-path=/path in step 8.
17. Edit your httpd.conf or srm.conf file and add:
For PHP 4: AddType application/x-httpd-php .php
You can choose any extension you wish here. .php is simply the one
we suggest. You can even include .html .
18. Use your normal procedure for starting the Apache server. (You must
stop and restart the server, not just cause the server to reload by
use a HUP or USR1 signal.)
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终于成功了，你可以启动apache用phpinfo()试一试，发现gd那里：
----------------------
gd
GD Support enabled
GD Version 1.6.2 or higher
GIF Support enabled
PNG Support enabled
JPG Support enabled
WBMP Support enabled
----------------------
^_^哈哈哈哈哈哈哈哈哈^_^
你现在可以用到所有的php图形函数了：
ImageCreateFromGIF() — Create a new image from file or URL
ImageCreateFromJPEG() — Create a new image from file or URL
ImageCreateFromPNG() — Create a new image from file or URL
……
绝对没问题！！！！
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