nginx+php5.5环境安装
1.安装依赖包
yum install -y gcc gcc-c++ make cmake* autoconf* apr apr-util libcurl* libxml2 libxml2-devel gd gd-devel bzip2-devel freetype* ncurse* bison* openssl* libjpeg*
2.下载php5.5
http://www.php.net/downloads.phpwget http://cn2.php.net/distributions/php-5.5.22.tar.gz
3.编译安装
tar -xvf php-5.5.22.tar.gzcd php-5.5.22./configure --prefix=/usr/local/php5 --with-config-file-path=/usr/local/php5/etc --with-bz2 --with-curl --enable-ftp--enable-sockets --disable-ipv6 --with-gd --with-jpeg-dir=/usr/local--with-png-dir=/usr/local--with-freetype-dir=/usr/local--enable-gd-native-ttf --with-iconv-dir=/usr/local--enable-mbstring --enable-calendar --with-gettext --with-libxml-dir=/usr/local--with-zlib --with-pdo-mysql=mysqlnd --with-mysqli=mysqlnd --with-mysql=mysqlnd --enable-dom --enable-xml --enable-fpm --with-libdir=lib64makemake install
备注:该参数支持,ftp,图片函数,pdo等支持,因为使用了php自带的mysqlnd,所以不需要额外安装mysql的lib库了.
如果你是64位系统,参数后面加上--with-libdir=lib64
如果PHP不需要curl和ftp的支持,可以将以上的–with-curl –enable-ftp去掉.
4.配置php
cp php.ini-production /usr/local/php5/etc/php.inicp /usr/local/php5/etc/php-fpm.conf.default /usr/local/php5/etc/php-fpm.conf
5.启动php-fpm
/usr/local/php5/sbin/php-fpm
执行以上命令,如果没报错一般情况下表示启动正常,如果不放心,也可以通过端口判断是PHP否启动
# netstat -lnt | grep 9000tcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN
6.安装nginx
参考http://running.iteye.com/blog/326873
7.配置nginx
vi /usr/local/nginx/conf/nginx.conf server { listen 80; #server_name 127.0.0.1; root /data/www/test/; charset utf-8; index index.html index.php; location /{ try_files $uri $uri/ /index.php?$args; } # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # location ~ \.php$ { expires -1s; try_files $uri =404; fastcgi_split_path_info ^(.+\.php)(/.+)$; include fastcgi_params; fastcgi_param PATH_INFO $fastcgi_path_info; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_pass 127.0.0.1:9000; } location ~ .*\.(jpg|JPG|jpeg|JPEG|css|bmp|gif|GIF|png|PNG)$ { access_log off; } }
8.编写测试文件
cd /data/www/phptest/vi /data/www/phptest/index.php<?phpphpinfo ();?>
9、启动php-fpm 和nginx 测试
Php-fpm启动
/usr/local/php5/sbin/php-fpm
Nginx启动
/usr/local/nginx/sbin/nginx
10.php-fpm常用命令
INT, TERM 立刻终止
QUIT 平滑终止
USR1 重新打开日志文件
USR2 平滑重载所有worker进程并重新载入配置和二进制模块
示例:
php-fpm 关闭:
kill -INT `cat /usr/local/php/var/run/php-fpm.pid`
php-fpm 重启:
kill -USR2 `cat /usr/local/php/var/run/php-fpm.pid`
查看php-fpm进程数:
ps aux | grep -c php-fpm
11.修改为stock
nginx将会连接回环地址9000端口执行PHP文件,需要使用tcp/ip协议,速度比较慢.建议大家换成使用socket方式连接。
建立socket文件
#touch /tmp/php-cgi/php-cgi.socket
vim nginx.conf
修改:
# fastcgi_pass 127.0.0.1:9000;fastcgi_pass unix:/tmp/php-cgi/php-cgi.socket;
在php-fpm.conf中修改配置为:
#listen = 127.0.0.1:9000listen = /tmp/php-cgi/php-cgi.socket

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

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PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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