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HomeBackend DevelopmentPHP TutorialCentos下升级php5.2到php5.4全记录(编译安装)_PHP

升级

目前php最新版虽然是php5.5,但出于各种考虑,还是先升到php5.4比较靠谱。
原php使用的是php5.2.10,已经运行了4~5年了,是时候升级了。

5.4最新稳定版是5.4.21(14 Nov 2013发布了5.4.22...)

代码如下:


wget http://cn2.php.net/get/php-5.4.21.tar.gz/from/this/mirror
tar zxf php-5.4.21.tar.gz
cd php-5.4.21


修改源码,如果程序编码是utf-8的,跳过此步骤。

如果你的程序默认是GBK,而且程序中有不少使用htmlspecialchars的,建议直接修改源码,因为5.4默认为utf-8了。用htmlspecialchars输出的都会是空。

代码如下:


ext/standard/html.c
line 372
/* Default is now UTF-8 */
if (charset_hint == NULL)
return cs_utf_8;
--->
/* Default is now UTF-8 */
if (charset_hint == NULL)
return cs_8859_1;


解决htmlspecialchars默认UTF-8的问题。

代码如下:


./configure --prefix=/usr/local/php5.4 --with-zlib --enable-bcmath  --with-curl --with-curlwrappers --enable-mbregex --enable-mbstring --with-gd --enable-gd-native-ttf --with-openssl --with-mhash --enable-sockets  --with-xmlrpc --enable-zip --enable-soap --without-pear --with-mysql --with-mysqli --with-pdo-mysql --enable-ftp --with-jpeg-dir --with-freetype-dir --with-png-dir --enable-fpm --with-fpm-user=www --with-fpm-group=www


较精简的安装参数:

代码如下:


./configure --prefix=/usr/local/php5.4 --enable-fpm --with-mysql
make ZEND_EXTRA_LIBS='-liconv'
make install


-----------------------
把两个默认文件移到正确的地方,php.ini-development或php.ini-production看情况。

代码如下:


cd /usr/local/php5.4/etc/
cp php-fpm.conf.default php-fpm.conf
cp /www/soft/php-5.4.21/php.ini-development   /usr/local/php5.4/lib/php.ini


------------------------------
php-fpm.conf中
listen.allowed_clients = 127.0.0.1前面的;去掉
---------------------

php.ini中

代码如下:


short_open_tag = Off


改为

代码如下:


short_open_tag = On

代码如下:


;date.timezone =


改为

代码如下:


date.timezone = "Asia/Shanghai"


代码如下:


error_reporting = E_ALL


改为

代码如下:


error_reporting = E_ALL & ~E_NOTICE

添加到开机服务列表

代码如下:


cp -f  /www/soft/php-5.4.21/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
chmod 755 /etc/init.d/php-fpm
chkconfig --add php-fpm
chkconfig php-fpm on


启动php-fpm:

代码如下:


service php-fpm start


php升级完成!
------------------------------------------------------
装ZendOpcache,据维护者Laruence称,Zend Opcache, 它是一个以扩展形式提供的PHP的Optmizer, 也会做很多编译优化, 也没有兼容性问题. 相比APC, 也要快7%以上. 不过它不提供apc_store用户数据Cache。如要使用apc的user cache,可以考虑使用APCU或者Laruence的Yac一起搭配使用。

代码如下:


wget http://pecl.php.net/get/ZendOpcache
tar zxf ZendOpcache
cd zendopcache-7.0.2/
/usr/local/php5.4/bin/phpize
./configure --with-php-config=/usr/local/php5.4/bin/php-config
make
make install
Installing shared extensions:     /usr/local/php5.4/lib/php/extensions/no-debug-non-zts-20100525/


php.ini里直接加到底部,官方建议参数

代码如下:


zend_extension= /usr/local/php5.4/lib/php/extensions/no-debug-non-zts-20100525/opcache.so
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
opcache.enable_cli=1
opcache.save_comments=0
opcache.enable_file_override=1
service php-fpm reload


这里phpinfo()里就有with Zend OPcache v7.0.2,以及不少相关的参数了。


这样php5.4就算升级完了。
--------------------------------

可能碰到的错误:

启动php-fpm失败

代码如下:


Starting php-fpm /etc/init.d/php-fpm: line 53: 12483 Segmentation fault      $php_fpm_BIN --daemonize $php_opts
failed


同时安装了APC和Zend opcache导致冲突,有了Zend opcache,可以不用装APC了。
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