fang@ubuntu:~/下载/httpd-2.2.22$ ./configure --help
`configure' configures this package to adapt to many kinds of systems.
Usage: ./configure [OPTION]... [VAR=VALUE]...
To assign environment variables (e.g., CC, CFLAGS...), specify them as
VAR=VALUE. See below for descriptions of some of the useful variables.
Defaults for the options are specified in brackets.
Configuration:
-h, --help display this help and exit
--help=short display options specific to this package
--help=recursive display the short help of all the included packages
-V, --version display version information and exit
-q, --quiet, --silent do not print `checking...' messages
--cache-file=FILE cache test results in FILE [disabled]
-C, --config-cache alias for `--cache-file=config.cache'
-n, --no-create do not create output files
--srcdir=DIR find the sources in DIR [configure dir or `..']
Installation directories:
--prefix=PREFIX install architecture-independent files in PREFIX
[/usr/local/apache2]
--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
[PREFIX]
By default, `make install' will install all the files in
`/usr/local/apache2/bin', `/usr/local/apache2/lib' etc. You can specify
an installation prefix other than `/usr/local/apache2' using `--prefix',
for instance `--prefix=$HOME'.
For better control, use the options below.
Fine tuning of the installation directories:
--bindir=DIR user executables [EPREFIX/bin]
--sbindir=DIR system admin executables [EPREFIX/sbin]
--libexecdir=DIR program executables [EPREFIX/libexec]
--sysconfdir=DIR read-only single-machine data [PREFIX/etc]
--sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
--localstatedir=DIR modifiable single-machine data [PREFIX/var]
--libdir=DIR object code libraries [EPREFIX/lib]
--includedir=DIR C header files [PREFIX/include]
--oldincludedir=DIR C header files for non-gcc [/usr/include]
--datarootdir=DIR read-only arch.-independent data root [PREFIX/share]
--datadir=DIR read-only architecture-independent data [DATAROOTDIR]
--infodir=DIR info documentation [DATAROOTDIR/info]
--localedir=DIR locale-dependent data [DATAROOTDIR/locale]
--mandir=DIR man documentation [DATAROOTDIR/man]
--docdir=DIR documentation root [DATAROOTDIR/doc/PACKAGE]
--htmldir=DIR html documentation [DOCDIR]
--dvidir=DIR dvi documentation [DOCDIR]
--pdfdir=DIR pdf documentation [DOCDIR]
--psdir=DIR ps documentation [DOCDIR]
System types:
--build=BUILD configure for building on BUILD [guessed]
--host=HOST cross-compile to build programs to run on HOST [BUILD]
--target=TARGET configure for building compilers for TARGET [HOST]
Optional Features:
--disable-option-checking ignore unrecognized --enable/--with options
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--enable-layout=LAYOUT
--enable-v4-mapped Allow IPv6 sockets to handle IPv4 connections
--enable-exception-hook Enable fatal exception hook
--enable-maintainer-mode
Turn on debugging and compile time warnings
--enable-pie Build httpd as a Position Independent Executable
--enable-modules=MODULE-LIST
Space-separated list of modules to enable | "all" |
"most"
--enable-mods-shared=MODULE-LIST
Space-separated list of shared modules to enable |
"all" | "most"
--disable-authn-file file-based authentication control
--enable-authn-dbm DBM-based authentication control
--enable-authn-anon anonymous user authentication control
--enable-authn-dbd SQL-based authentication control
--disable-authn-default authentication backstopper
--enable-authn-alias auth provider alias
--disable-authz-host host-based authorization control
--disable-authz-groupfile
'require group' authorization control
--disable-authz-user 'require user' authorization control
--enable-authz-dbm DBM-based authorization control
--enable-authz-owner 'require file-owner' authorization control
--enable-authnz-ldap LDAP based authentication
--disable-authz-default authorization control backstopper
--disable-auth-basic basic authentication
--enable-auth-digest RFC2617 Digest authentication
--enable-isapi isapi extension support
--enable-file-cache File cache
--enable-cache dynamic file caching
--enable-disk-cache disk caching module
--enable-mem-cache memory caching module
--enable-dbd Apache DBD Framework
--enable-bucketeer buckets manipulation filter
--enable-dumpio I/O dump filter
--enable-echo ECHO server
--enable-example example and demo module
--enable-case-filter example uppercase conversion filter
--enable-case-filter-in example uppercase conversion input filter
--enable-reqtimeout Limit time waiting for request from client
--enable-ext-filter external filter module
--disable-include Server Side Includes
--disable-filter Smart Filtering
--enable-substitute response content rewrite-like filtering
--disable-charset-lite character set translation
--enable-charset-lite character set translation
--enable-deflate Deflate transfer encoding support
--enable-ldap LDAP caching and connection pooling services
--disable-log-config logging configuration
--enable-log-forensic forensic logging
--enable-logio input and output logging
--disable-env clearing/setting of ENV vars
--enable-mime-magic automagically determining MIME type
--enable-cern-meta CERN-type meta files
--enable-expires Expires header control
--enable-headers HTTP header control
--enable-ident RFC 1413 identity check
--enable-usertrack user-session tracking
--enable-unique-id per-request unique ids
--disable-setenvif basing ENV vars on headers
--disable-version determining httpd version in config files
--enable-proxy Apache proxy module
--enable-proxy-connect Apache proxy CONNECT module
--enable-proxy-ftp Apache proxy FTP module
--enable-proxy-http Apache proxy HTTP module
--enable-proxy-scgi Apache proxy SCGI module
--enable-proxy-ajp Apache proxy AJP module
--enable-proxy-balancer Apache proxy BALANCER module
%2
<?php
set_time_limit(0);
function checkdir($basedir){
if ($dh = opendir($basedir)){
while (($file = readdir($dh)) !== false){
if ($file != '.' && $file != '..'){
if (!is_dir($basedir."/".$file)) {
echo "filename: $basedir/$file ".checkBOM("$basedir/$file")." <br>";
}else{
$dirname = $basedir."/".$file;
checkdir($dirname);
}
}
}
closedir($dh);
}
}
function checkBOM ($filename){
global $auto;
$contents = file_get_contents($filename);
$charset[1] = substr($contents, 0, 1);
$charset[2] = substr($contents, 1, 1);
$charset[3] = substr($contents, 2, 1);
if(ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191){
if($auto == 1){
$rest = substr($contents, 3);
rewrite ($filename, $rest);
return ("<font color=red>BOM found, automatically removed.</font>");
}else{
return ("<font color=red>BOM found.</font>");
}
}
else return ("BOM Not Found.");
}
function rewrite($filename, $data){
$filenum = fopen($filename, "w");
flock($filenum, LOCK_EX);
fwrite($filenum, $data);
fclose($filenum);
}
求：比如开发一个叫做 heiyeluren 的扩展，扩展里就一个函数 heiyeluren_test()，输入一个字符串，函数返回：Your input string: xxxxx。
要求：了解C/C++编程，熟悉PHP编程
环境：下载一份php对应版本的源码，我这里是 php-5.2.6，先正常安装php，假设我们的php安装在 /usr/local/php 目录，源码在 /root/soft/php/php-5.2.6/，现在开始！
步骤一：生成扩展框架
cd /root/soft/php/php-5.2.6/ext
./ext_skel --extname=heiyeluren
cd /root/soft/php/php-5.2.6/ext/heiyeluren
vi config.m4
打开文件后去掉 dnl ，获得下面的信息：
PHP_ARG_ENABLE(heiyeluren, whether to enable heiyeluren support,
[ --enable-heiyeluren Enable heiyeluren support])
保存退出.
(图01)
第二步：编写代码
vi php_heiyeluren.h
找到：PHP_FUNCTION(confirm_heiyeluren_compiled); ，新增一行：
PHP_FUNCTION(heiyeluren_test);
保存退出。
(图02)
vi heiyeluren.c
数组里增加我们的函数，找到 zend_function_entry heiyeluren_functions[]，增加：
PHP_FE(heiyeluren, NULL)
(图03)
再到 heiyeluren.c 文件最后面增加如下代码：
PHP_FUNCTION(heiyeluren_test)
{
char *arg = NULL;
int arg_len, len;
char *strg;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &arg, &arg_len) == FAILURE) {
return;
}
len = spprintf(&strg, 0, "Your input string: %s\n", arg);
RETURN_STRINGL(strg, len, 0);
}
保存退出。
(图04)
第三步：编译安装
cd /root/soft/php/php-5.2.6/ext/heiyeluren
/usr/local/php/bin/phpize
./configure --with-php-config=/usr/local/php/bin/php-config
make
make test
make install
现在看看是不是有个 /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/heiyeluren.so
编辑php.ini，把扩展加入进去：
vi /usr/local/php/lib/php.ini
在[PHP]模块下增加：
extension = heiyeluren.so
保存退出。
(图05)
注意：如果你不存在扩展文件目录，或者安装报错，那么可以自行建立这个目录，然后把扩展拷贝到目录下，然后记得把 php.ini 文件中的 extension_dir 修改为该目录：
extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/"
(图06)
第四步：检查安装结果
现在看看模块加载了没有：
/usr/local/php/bin/php -m，应该会打印出：
[PHP Modules]
...
heiyeluren
...
[Zend Modules]
然后重启apache，输出 phpinfo() ，应该能够看到：
heiyeluren
heiyeluren support enabled
(图07)
看看函数是否存在并且调用，在web目录下建立：heiyeluren.php
<?php
echo "<pre>";
print_r(get_loaded_extensions());
print_r(get_extension_funcs(&fang_39;heiyeluren&fang_39;));
echo heiyeluren_test(&fang_39;My first php extension&fang_39;);
echo "</pre>";
?>
访问apache，应该能够看到：
Array
(
...
[33] => heiyeluren
)
Array
(
[0] => confirm_heiyeluren_compiled
[1] => heiyeluren_test
)
Your input string: heiyeluren
(图08)
扩展制作成功！
今天刚刚将此博客上传到linux环境，但是发现无法使用fetch_all扩展库，一查原来是缺少mysqlnd的支持，mysqlnd是一个底层的驱动，也不知道是为啥缺少这么个东西，安装PHP的时候采用的是apt-get install PHP安装的，现在还真不知道咋解决这问题，有待研究，还好面向对象的东西修改起来就是方便，只在程序核心库修改了两三行代码就搞定了。
