php扩展开发环境搭建
首先要安装编译php时要的几个扩展库
(1)libxml2,若无php安装一些解析xml的扩展时会提示xml2-config not found
- sudo apt-get install libxml2 libxml2-dev libxslt-dev
(2)libevent1.4.11及以上版本,安装php的fpm模块时需要
- sudo apt-get install libevent-1.4-2 libevent-dev
(3)libcurl,安装curl扩展需要
- sudo apt-get install libcurl4-openssl-dev
(4)GD库,安装gd图片处理扩展需要
- sudo apt-get install libgd2-xpm libgd2-xpm-dev
(5)zlib1g-dev,安装zlib和bz2扩展或编译mysqld阶段需要
- sudo apt-get install zlib1g-dev libbz2-dev
(6) configure: error: mcrypt.h not found. Please reinstall libmcrypt.
- sudo apt-get install libmcrypt-dev
编译参数:
- sudo ./configure --prefix=/usr/local/php --mandir=/usr/share/man --infodir=/usr/share/info --sysconfdir=/etc --enable-cli --with-config-file-path=/usr/local/php/etc --with-openssl --with-kerberos --with-zlib --enable-bcmath --with-bz2 --enable-calendar --with-curl --enable-exif --enable-ftp --with-gd --enable-gd-native-ttf --enable-magic-quotes --enable-mbstring --enable-mbregex --enable-json --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-mysql-sock=mysqlnd --with-sqlite --with-pdo-sqlite --enable-pdo --enable-dba --enable-shmop --enable-soap --enable-sockets --enable-wddx --enable-fpm --with-mhash --with-mcrypt=/usr/local/libmcrypt --with-iconv --with-xsl --enable-zend-multibyte --enable-zip --with-pcre-regex --enable-dom --enable-gd-native-ttf --enable-posix --enable-fileinfo --enable-sysvmsg --enable-sysvsem --enable-sysvshm --with-libxml --with-xmlrpc --enable-xml --enable-xmlwriter --enable-xmlreader --enable-maintainer-zts --enable-debug
说明:如果是apache,请加上
-with-apxs2=/usr/local/apache/bin/apxs
–enable-maintainer-zts 支持apache的worker或event这两个MPM
说明:这里为了支持apache的worker或event这两个MPM,编译时使用了–enable-maintainer-zts选项。
# 注:其中最后一个参数–enable-maintainer-zts在安装PHP5.4最新版本时必须添加(5.3貌似不需要),表示打开PHP进程安全Thread Safe,默认不添加为NON Thread Safe,开启apache服务会报错…..
编译通过就执行安装过程
- sudo make -j 4
- sudo make install
今天尝试了我的第一个php扩展开发,记录下过程以及遇到的问题
一、环境准备
以前我已经用以下命令安装过php了
- $ sudo apt-get install php5
其安装位置是
- $ whereis php
- php: /usr/bin/php /usr/lib/php /usr/bin/X11/php /usr/share/man/man1/php.1.gz
这种方式安装的php并不能直接进行php扩展开发,我们还需要
(1)安装php5-dev,不然没有编译扩展需要的phpize
- $ sudo apt-get install php5-dev
- $ whereis phpize
- phpize: /usr/bin/phpize /usr/bin/X11/phpize /usr/share/man/man1/phpize.1.gz
(2)下载php5源码, 我准备保存在 ~/code/ 目录下
- $ cd ~/code/
- $ sudo apt-get source php5
- $ ls
- php5-5.4.9 php5_5.4.9-4ubuntu2.dsc
- php5_5.4.9-4ubuntu2.debian.tar.gz php5_5.4.9.orig.tar.xz
二、生成扩展骨架文件
进入php的ext目录- $ cd ~/code/php5-5.4.9/ext/
- $ ./ext_skel --extname=xw
- $ chmod 0777 ~/code/php5-5.4.9/ext
再次执行
- $ ./ext_skel --extname=xw
- cannot open /skeleton.c: No such file
搜索“skeleton.c”,得
- sed -f sedscript < $skel_dir/skeleton.c > $extname.c
- if test -z "$skel_dir"; then
- skel_dir="/usr/lib/php5/<span style="font-family: Arial, Helvetica, sans-serif;">"</span>
- fi
- $ locate /skeleton
- /usr/share/php5/skeleton
- $ ./ext_skel --help
- ./ext_skel --extname=module [--proto=file] [--stubs=file] [--xml[=file]]
- [--skel=dir] [--full-xml] [--no-help]
- --extname=module module is the name of your extension
- --proto=file file contains prototypes of functions to create
- --stubs=file generate only function stubs in file
- --xml generate xml documentation to be added to phpdoc-cvs
- --skel=dir path to the skeleton directory
- --full-xml generate xml documentation for a self-contained extension
- (not yet implemented)
- --no-help don't try to be nice and create comments in the code
- and helper functions to test if the module compiled
明白了,修改原来的命令,增加--skel参数再次执行- $ ./ext_skel --extname=xw --skel=/usr/share/php5/skeleton
三、编译扩展
进入xw目录 ,vim config.m4 把
- dnl PHP_ARG_ENABLE(xw, whether to enable xw support,
- dnl Make sure that the comment is aligned:
- dnl [ --enable-xw Enable xw support])
- PHP_ARG_ENABLE(xw, whether to enable xw support,
- Make sure that the comment is aligned:
- [ --enable-xw Enable xw support])
依次执行
- $ phpize
- $ ./configure
- $ make
- $ sudo make install
- Installing shared extensions: /usr/lib/php5/20100525/
四、修改php配置,运行检测
修改php.ini 配置文件,把xw.so扩展加入进去(这个就多不多说了)。若你不知道ini文件在哪,可以执行以下命令查看
- $ php -ini
- $ php -r 'echo confirm_xw_compiled("xw"),"\n";'
- Congratulations! You have successfully modified ext/xw/config.m4. Module xw is now compiled into PHP.