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linux下 C語言對(duì) php 擴(kuò)展

更新時(shí)間：2008年12月14日 17:57:40 作者：

linux C語言對(duì) php 擴(kuò)展的設(shè)置技巧

一，搭建php環(huán)境
下載php 5.2.6 源碼并解壓
編譯安裝，搭建php環(huán)境

二，創(chuàng)建擴(kuò)展項(xiàng)目
進(jìn)入源碼目錄
cd php5.2.6/ext/
./ext_skel --extname=my_ext
創(chuàng)建名字為my_ext的項(xiàng)目，最終會(huì)生成my_ext.so

三，更改配置和程序
$ vi ext/my_ext/config.m4

根據(jù)你自己的選擇將

dnl PHP_ARG_WITH(my_ext, for my_ext support,
dnl Make sure that the comment is aligned:

dnl [ --with-my_ext             Include my_ext support])
修改成

PHP_ARG_WITH(my_ext, for my_ext support,
Make sure that the comment is aligned:

[ --with-my_ext             Include my_ext support])
或者將

dnl PHP_ARG_ENABLE(my_ext, whether to enable my_ext support,
dnl Make sure that the comment is aligned:

dnl [ --enable-my_ext           Enable my_ext support])
修改成

PHP_ARG_ENABLE(my_ext, whether to enable my_ext support,

Make sure that the comment is aligned:
[ --enable-my_ext           Enable my_ext support])

$ vi ext/my_ext/php_my_ext.h

將
PHP_FUNCTION(confirm_my_ext_compiled);       /* For testing, remove later. */
更改為
PHP_FUNCTION(say_hello);

$ vi ext/my_ext/my_ext.c

將
zend_function_entry php5cpp_functions[] = {
        PHP_FE(confirm_my_ext_compiled,      NULL) /* For testing, remove later. */
        {NULL, NULL, NULL}      /* Must be the last line in php5cpp_functions[] */
};
更改為
zend_function_entry php5cpp_functions[] = {
        PHP_FE(say_hello,       NULL)
        {NULL, NULL, NULL}      /* Must be the last line in php5cpp_functions[] */
};

在最后添加：
PHP_FUNCTION(say_hello)
{
        zend_printf("hello world\n");
}

四，編譯
$ cd my_ext
$ /usr/local/php/bin/phpize
ps: 如果出現(xiàn)：Cannot find autoconf.……的錯(cuò)誤信息，則需要安裝 autoconf (安裝過程略)
$ ./configure --with-php-config=/usr/local/php/bin/php-config
$ make

這時(shí)會(huì)編譯出 my_ext/modules/my_ext.so

五，配置php.ini
將my_ext.so放入/usr/local/php/ext/目錄

$ vi php.ini

修改添加如下：
extension_dir = '/usr/local/php/ext/'
extension=my_ext.so

六，測(cè)試
$ vi test.php
<?php
   say_hello();
?>

$ /usr/local/php/bin/php test.php
hello world.

則大功告成

ps:如有問題請(qǐng)留言，大家共同探討

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