linux 下php环境搭建
Centos 先用root安装这一堆
yum install libpng
yum install libpng-devel
yum -y install libjpeg-devel
yum -y install curl-devel
yum install bzip2
yum install bzip2-devel
yum install libxml2
yum install libxml2-devel -y
yum install libmcrypt
yum install libmcrypt-devel
makefile
./configure --prefix=/data/php --enable-fpm --with-mcrypt \--enable-mbstring --disable-pdo --with-curl --disable-debug --disable-rpath \--enable-inline-optimization --with-bz2 --with-zlib --enable-sockets \--enable-sysvsem --enable-sysvshm --enable-pcntl --enable-mbregex \--with-mhash --enable-zip --with-pcre-regex --with-mysql --with-mysqli \--with-gd --with-jpeg-dirmake
出现一些错误：
RFC: DateTime and Daylight Saving Time Transitions (zone type 3, bd2) [ext/date/tests/rfc-datetime_and_daylight_saving_time-type3-bd2.phpt] XFAIL REASON: Still not quite right
RFC: DateTime and Daylight Saving Time Transitions (zone type 3, fs) [ext/date/tests/rfc-datetime_and_daylight_saving_time-type3-fs.phpt] XFAIL REASON: Still not quite right
Bug #42718 (unsafe_raw filter not applied when configured as default filter) [ext/filter/tests/bug42718.phpt] XFAIL REASON: FILTER_UNSAFE_RAW not applied when configured as default filter, even with flags
Bug #67296 (filter_input doesn't validate variables) [ext/filter/tests/bug49184.phpt] XFAIL REASON: See Bug #49184
zend multibyte (7) [ext/mbstring/tests/zend_multibyte-07.phpt] XFAIL REASON: https://bugs.php.net/bug.php?id=66582
zend multibyte (9) [ext/mbstring/tests/zend_multibyte-09.phpt] XFAIL REASON: https://bugs.php.net/bug.php?id=66582
Bug #45712 (NaN/INF comparison) [ext/standard/tests/math/bug45712.phpt] XFAIL REASON: Bug 45712 not fixed yet.
=====================================================================
=====================================================================
FAILED TEST SUMMARY
---------------------------------------------------------------------
Bug #52202 (CURLOPT_PRIVATE gets clobbered) [ext/curl/tests/bug52202.phpt]
Phar: phpinfo display 1 [ext/phar/tests/phpinfo_001.phpt]
Phar: phpinfo display 2 [ext/phar/tests/phpinfo_002.phpt]
Phar: phpinfo display 4 [ext/phar/tests/phpinfo_004.phpt]
Test setlocale() function : usage variations - Setting all available locales in the platform [ext/standard/tests/strings/setlocale_variation2.phpt]
=====================================================================
=====================================================================
WARNED TEST SUMMARY
---------------------------------------------------------------------
zend multibyte (2) [ext/mbstring/tests/zend_multibyte-02.phpt] (warn: XFAIL section but test passes)
zend multibyte (6) [ext/mbstring/tests/zend_multibyte-06.phpt] (warn: XFAIL section but test passes)
=====================================================================
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http://qa.php.net/reports and http://news.php.net/php.qa.reports
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不用管，继续安装
make install
chown root /安装目录/sbin/php-fpm
chmod u+s /安装目录/sbin/php-fpm
拷贝配置文件
cp php.ini-production /安装目录/lib/php.ini #php配置文件
cp /安装目录/etc/php-fpm.conf.default /安装目录/etc/php-fpm.conf #php-fpm配置文件设置你的配置文件
vi php-fpm.conf
user = 你创建的非root用户
group = 你创建的非root用户组
启动php-fpm
/安装目录/sbin/php-fpm
结束进程php-fpm（root权限）
pkill php-fpm
查看是否启动成功：
netstat -lnt | grep 9000
tcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN
启动nginx
/安装目录/nginx/nginx测试一下数据库的连接：
<?php
echo"asdasdasd";
$DB = mysql_connect ( "数据库地址" , "用户名" , "密码" ) ;
if($DB)
{echo "链接成功";}
else
{echo "链接失败";}?>
Notice: Undefined variable的解决办法:
PHP默认配置会报这个错误，我的PHP版本是5.2.13,存在这个问题：
Notice: Undefined variable这就是将警告在页面上打印出来，虽然这是有利于暴露问题，但实现使用中会存在很多问题。
需要设置显示错误级别，来解决问题。
网络上的通用解决办法是修改php.ini的配置：
解决方法：
1) error_reporting设置：
找到error_reporting = E_ALL
修改为error_reporting = E_ALL & ~E_NOTICE
