what is php configuration file

What are the PHP configuration files?

PHP used with nginx has three configuration files: php.ini, php-fpm.conf, www. conf.

php.ini is the core configuration of PHP runtime. The PHP process in CLI mode and php-fpm mode all read the configuration items in php.ini.

php-fpm.conf is the configuration file of the php process managed by php-fpm. (Recommended learning: PHP programming from entry to proficiency)

The php process running in this mode, in addition to reading the configuration items in php.ini, also reads php -Configuration items in fpm.conf.

www.conf is a supplement to php-fpm.conf.

Important configuration in php.ini

######避免PHP信息暴露在http头中
expose_php = Off

######避免暴露php错误信息
display_errors = Off

######在关闭display_errors后开启PHP错误日志（路径在php-fpm.conf中配置）
log_errors = On

######设置PHP的扩展库路径
extension_dir = "/usr/local/php7/lib/php/extensions/no-debug-non-zts-20141001/"

######设置PHP的opcache和mysql动态库
zend_extension=opcache.so
extension=mysqli.so
extension=pdo_mysql.so

######设置PHP的时区
date.timezone = PRC

######开启opcache
[opcache]
; Determines if Zend OPCache is enabled
opcache.enable=1

######设置PHP脚本允许访问的目录（需要根据实际情况配置）
;open_basedir = /usr/share/nginx/html;

Important configuration in php-fpm.conf

;php运行日志
error_log=log/php-fpm.log

;FPM使用的事件机制
events.mechanism = epoll

;php-fpm.conf的补充文件www.conf的路径include=/usr/cg/lnmp/php-7.0.13/etc/php-fpm.d/*.conf

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