apt-get install libjpeg-devel libpng-devel freetype-devel libxml2-devel mysql-devel pcre-devel bzip2-devel
./configure ?prefix=/usr/local/nginx ?http-fastcgi-temp-path=/usr/local/nginx/fastcgi_temp/ ?http-proxy-temp-path=/usr/local/nginx/proxy_temp/ ?without-http_upstream_ip_hash_module ?without-http_geo_module ?without-http_memcached_module ?without-http_map_module ?without-http_ssi_module ?with-http_ssl_module ?with-openssl=/usr/local/ssl/lib
要注意的是,如果要加SSL支持,需要用openssl 097的版本来编译。http://www.openssl.org/source/openssl-0.9.7m.tar.gz
编译php
./configure ?prefix=/usr/local/php ?enable-mbstring ?with-mysql=/usr/ ?disable-dom ?enable-fastcgi ?with-gd ?with-config-file-path=/usr/local/php/etc/ ?with-zlib-dir=/usr ?with-jpeg-dir=/usr ?with-png-dir=/usr ?without-pear ?without-sqlite ?enable-force-cgi-redirect ?with-freetype-dir ?enable-fpm ?with-fpm-conf=/usr/local/php/etc/fpm.conf ?with-fpm-log=/usr/local/nginx/logs/fpm.log ?with-fpm-pid=/usr/local/nginx/logs/fpm.pid
server {
listen 80;
server_name xxx.net;
charset gb2312;
location / {
root /data/www/xxxx/;
index index.html index.htm index.php;
allow 1.1.1.1;
deny all;
}
location ~ \.php$ {
root /data/www/xxxx/;
include /etc/fcgi.conf;
fastcgi_pass 127.0.0.1:1026;
fastcgi_index index.php;
}
}
其中/etc/fcgi.conf内容为
fastcgi_param GATEWAY_INTERFACE CGI/1.1;
fastcgi_param SERVER_SOFTWARE nginx;
fastcgi_param QUERY_STRING $query_string;
fastcgi_param REQUEST_METHOD $request_method;
fastcgi_param CONTENT_TYPE $content_type;
fastcgi_param CONTENT_LENGTH $content_length;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param SCRIPT_NAME $fastcgi_script_name;
fastcgi_param REQUEST_URI $request_uri;
fastcgi_param DOCUMENT_URI $document_uri;
fastcgi_param DOCUMENT_ROOT $document_root;
fastcgi_param SERVER_PROTOCOL $server_protocol;
fastcgi_param REMOTE_ADDR $remote_addr;
fastcgi_param REMOTE_PORT $remote_port;
fastcgi_param SERVER_ADDR $server_addr;
fastcgi_param SERVER_PORT $server_port;
fastcgi_param SERVER_NAME $server_name;
# PHP only, required if PHP was built with ?enable-force-cgi-redirect
fastcgi_param REDIRECT_STATUS 200;
用lighttpd的spawn-fcgi和spawn-php.sh
#!/bin/bash
## ABSOLUTE path to the spawn-fcgi binary
SPAWNFCGI=”/usr/local/nginx/sbin/spawn-fcgi”
## ABSOLUTE path to the PHP binary
FCGIPROGRAM=”/usr/local/bin/php-cgi”
## TCP port to which to bind on localhost
FCGIPORT=”1026″
## number of PHP children to spawn
PHP_FCGI_CHILDREN=10
## maximum number of requests a single PHP process can serve before it is restarted
PHP_FCGI_MAX_REQUESTS=1000
## IP addresses from which PHP should access server connections
FCGI_WEB_SERVER_ADDRS=”127.0.0.1″
# allowed environment variables, separated by spaces
ALLOWED_ENV=”ORACLE_HOME PATH USER”
## if this script is run as root, switch to the following user
USERID=nobody
GROUPID=nobody
chongqi
#!/bin/bash
killall -9 nginx php-cgi ; sleep 1 ;/usr/local/nginx/sbin/spawn-php.sh ; nginx

PHP remains important in modern web development, especially in content management and e-commerce platforms. 1) PHP has a rich ecosystem and strong framework support, such as Laravel and Symfony. 2) Performance optimization can be achieved through OPcache and Nginx. 3) PHP8.0 introduces JIT compiler to improve performance. 4) Cloud-native applications are deployed through Docker and Kubernetes to improve flexibility and scalability.

PHP is suitable for web development, especially in rapid development and processing dynamic content, but is not good at data science and enterprise-level applications. Compared with Python, PHP has more advantages in web development, but is not as good as Python in the field of data science; compared with Java, PHP performs worse in enterprise-level applications, but is more flexible in web development; compared with JavaScript, PHP is more concise in back-end development, but is not as good as JavaScript in front-end development.

PHP and Python each have their own advantages and are suitable for different scenarios. 1.PHP is suitable for web development and provides built-in web servers and rich function libraries. 2. Python is suitable for data science and machine learning, with concise syntax and a powerful standard library. When choosing, it should be decided based on project requirements.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7

The reasons why PHP is the preferred technology stack for many websites include its ease of use, strong community support, and widespread use. 1) Easy to learn and use, suitable for beginners. 2) Have a huge developer community and rich resources. 3) Widely used in WordPress, Drupal and other platforms. 4) Integrate tightly with web servers to simplify development deployment.

PHP remains a powerful and widely used tool in modern programming, especially in the field of web development. 1) PHP is easy to use and seamlessly integrated with databases, and is the first choice for many developers. 2) It supports dynamic content generation and object-oriented programming, suitable for quickly creating and maintaining websites. 3) PHP's performance can be improved by caching and optimizing database queries, and its extensive community and rich ecosystem make it still important in today's technology stack.

In PHP, weak references are implemented through the WeakReference class and will not prevent the garbage collector from reclaiming objects. Weak references are suitable for scenarios such as caching systems and event listeners. It should be noted that it cannot guarantee the survival of objects and that garbage collection may be delayed.

The \_\_invoke method allows objects to be called like functions. 1. Define the \_\_invoke method so that the object can be called. 2. When using the $obj(...) syntax, PHP will execute the \_\_invoke method. 3. Suitable for scenarios such as logging and calculator, improving code flexibility and readability.


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