这篇文章将为大家详细讲解有关php配置文件是什么，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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与nginx搭配使用的php，有三个配置文件：php.ini、php-fpm.conf、www.conf。
php.ini是php运行时的核心配置。CLI形式、php-fpm模式下的PHP进程，都读取php.ini中的配置项。
php-fpm.conf 是php-fpm管理下的php进程的配置文件。该模式下运行的php进程，除读取php.ini中的配置项外，
还读取php-fpm.conf中的配置项。
www.conf 是 php-fpm.conf 的补充。
php.ini中的重要配置
######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;
php-fpm.conf中的重要配置
;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
www.conf的重要配置
;php-fpm运行的linux用户组和用户
user = www
group = www
;接收FastCGI请求的地址
listen = 127.0.0.1:9000; Choose how the process manager will control the number of child processes.
; Possible Values:
; static - a fixed number (pm.max_children) of child processes;
; dynamic - the number of child processes are set dynamically based on the
; following directives. With this process management, there will be
; always at least 1 children.
; pm.max_children - the maximum number of children that can
; be alive at the same time.
; pm.start_servers - the number of children created on startup.
; pm.min_spare_servers - the minimum number of children in 'idle'; state (waiting to process). If the number
; of 'idle' processes is less than this
; number then some children will be created.
; pm.max_spare_servers - the maximum number of children in 'idle'; state (waiting to process). If the number
; of 'idle' processes is greater than this
; number then some children will be killed.
; ondemand - no children are created at startup. Children will be forked when
; new requests will connect. The following parameter are used:
; pm.max_children - the maximum number of children that
; can be alive at the same time.
; pm.process_idle_timeout - The number of seconds after which
; an idle process will be killed.
; Note: This value is mandatory.
pm = dynamic
; The number of child processes to be created when pm is set to 'static' and the
; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'.
; This value sets the limit on the number of simultaneous requests that will be
; served. Equivalent to the ApacheMaxClients directive with mpm_prefork.
; Equivalent to the PHP_FCGI_CHILDREN environment variable in the original PHP
; CGI. The below defaults are based on a server without much resources. Don't
; forget to tweak pm.* to fit your needs.
; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand'
; Note: This value is mandatory.
pm.max_children = 5
; The number of child processes created on startup.
; Note: Used only when pm is set to 'dynamic'
; Default Value: min_spare_servers + (max_spare_servers - min_spare_servers) / 2
pm.start_servers = 2
; The desired minimum number of idle server processes.
; Note: Used only when pm is set to 'dynamic'
; Note: Mandatory when pm is set to 'dynamic'
pm.min_spare_servers = 1
; The desired maximum number of idle server processes.
; Note: Used only when pm is set to 'dynamic'
; Note: Mandatory when pm is set to 'dynamic'
pm.max_spare_servers = 3
; The number of seconds after which an idle process will be killed.
; Note: Used only when pm is set to 'ondemand'
; Default Value: 10s
;pm.process_idle_timeout = 10s;
;php进程在回收前应该处理的请求
;防止第三方库的内存泄漏
pm.max_requests = 500
;耗时长的php处理日志
slowlog = log/$pool.log.slow
;php慢日志的时间标准，最小单位是秒，0是未开启慢日志
request_slowlog_timeout = 0
; 可在php文件中通过getenv('TEMP')获取环境变量的值
; Default Value: clean env
;env[HOSTNAME] = $HOSTNAME
;env[PATH] = /usr/local/bin:/usr/bin:/bin
;env[TMP] = /tmp
;env[TMPDIR] = /tmp
env[TEMP] = /tmp
; 覆盖php.ini中的对应配置
;php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@my.domain.com
;php_flag[display_errors] = off
;php_admin_value[error_log] = /var/log/fpm-php.www.log
;php_admin_flag[log_errors] = on
php_admin_value[memory_limit] = 32M关于php配置文件是什么就分享到这里了，希望以上内容可以对大家有一定的帮助，可以学到更多知识。如果觉得文章不错，可以把它分享出去让更多的人看到。
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