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linux修改php.ini路径

基础概念

php.ini 是 PHP 的配置文件，用于设置 PHP 运行时的各种参数。它包含了诸如内存限制、上传文件大小、错误报告级别等配置项。

修改 php.ini 路径的原因

通常情况下，PHP 会自动加载默认路径下的 php.ini 文件。但在某些情况下，可能需要修改 php.ini 的路径，例如：

  1. 自定义配置：用户可能有特定的配置需求，需要使用自定义的 php.ini 文件。
  2. 多版本管理：在同一台服务器上运行多个 PHP 版本时，可能需要为每个版本指定不同的 php.ini 文件。
  3. 环境隔离：在不同的应用环境中使用不同的配置文件。

修改 php.ini 路径的方法

1. 修改 php 命令行参数

可以通过在命令行中使用 -c 参数来指定 php.ini 文件的路径。例如：

代码语言：txt
复制
php -c /path/to/custom/php.ini script.php

2. 修改 Web 服务器配置

如果 PHP 是通过 Web 服务器（如 Apache 或 Nginx）运行的，可以在服务器配置文件中指定 php.ini 的路径。

Apache

在 .htaccess 文件或主配置文件中添加以下内容：

代码语言：txt
复制
<FilesMatch \.php$>
    SetHandler application/x-httpd-php
    PHPIniDir /path/to/custom/php.ini
</FilesMatch>

Nginx

在 nginx.conf 文件中添加以下内容：

代码语言：txt
复制
location ~ \.php$ {
    fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
    fastcgi_param PHP_INI_SCAN_DIR /path/to/custom/php.ini;
}

3. 修改 PHP-FPM 配置

如果使用 PHP-FPM，可以在 php-fpm.conf 或池配置文件中指定 php.ini 的路径。

在 php-fpm.conf 中添加或修改以下内容：

代码语言：txt
复制
php_admin_value[error_log] = /var/log/php-fpm/www-error.log
php_admin_flag[log_errors] = on
php_admin_value[doc_root] = /var/www/html
php_admin_value[listen.allowed_clients] = 127.0.0.1
php_admin_value[listen.owner] = www-data
php_admin_value[listen.group] = www-data
php_admin_value[listen.mode] = 0660
php_admin_value[pm.max_children] = 50
php_admin_value[pm.start_servers] = 5
php_admin_value[pm.min_spare_servers] = 5
php_admin_value[pm.max_spare_servers] = 35
php_admin_value[pm.max_requests] = 500
php_admin_value[pm.process_idle_timeout] = 10s
php_admin_value[pm.status_path] = /status
php_admin_flag[pm.status_enabled] = on
php_admin_value[date.timezone] = Asia/Shanghai
php_admin_value[open_basedir] = /var/www/html/:/tmp/
php_admin_value[upload_tmp_dir] = /var/www/html/tmp/
php_admin_value[session.save_path] = /var/www/html/tmp/
php_admin_value[soap.wsdl_cache_dir] = /var/www/html/tmp/
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[disable_functions] = exec,passthru,shell_exec,system,proc_open,popen,curl_exec,curl_multi_exec,parse_ini_file,show_source
php_admin_value[disable_classes] = PDO,Reflection,ReflectionExtension
php_admin_value[error_reporting] = E_ALL & ~E_NOTICE & ~E_DEPRECATED
php_admin_value[display_errors] = Off
php_admin_value[log_errors] = On
php_admin_value[error_log] = /var/log/php-fpm/error.log
php_admin_value[expose_php] = Off
php_admin_value[short_open_tag] = On
php_admin_value[asp_tags] = Off
php_admin_value[output_buffering] = 4096
php_admin_value[implicit_flush] = Off
php_admin_value[unserialize_callback_func] = mycallbackfunc
php_admin_value[max_input_time] = 60
php_admin_value[max_execution_time] = 30
php_admin_value[memory_limit] = 128M
php_admin_value[upload_max_filesize] = 2M
php_admin_value[post_max_size] = 8M
php_admin_value[date.timezone] = Asia/Shanghai
php_admin_value[session.gc_probability] = 1
php_admin_value[session.gc_divisor] = 1000
php_admin_value[session.gc_maxlifetime] = 1440
php_admin_value[session.cookie_lifetime] = 0
php_admin_value[session.cookie_path] = /
php_admin_value[session.cookie_domain] = 
php_admin_value[session.cookie_secure] = Off
php_admin_value[session.cookie_httponly] = Off
php_admin_value[session.use_cookies] = On
php_admin_value[session.use_only_cookies] = On
php_admin_value[session.name] = PHPSESSID
php_admin_value[session.auto_start] = Off
php_admin_value[session.serialize_handler] = php
php_admin_value[session.gc_probability] = 1
php_admin_value[session.gc_divisor] = 1000
php_admin_value[session.gc_maxlifetime] = 1440
php_admin_value[session.referer_check] = 
php_admin_value[session.use_trans_sid] = Off
php_admin_value[session.upload_progress.enabled] = On
php_admin_value[session.upload_progress.cleanup] = On
php_admin_value[session.upload_progress.prefix] = upload_progress_
php_admin_value[session.upload_progress.name] = PHP_SESSION_UPLOAD_PROGRESS
php_admin_value[session.upload_progress.freq] = 1%
php_admin_value[session.upload_progress.min_freq] = 1
php_admin_value[soap.wsdl_cache_enabled] = 1
php_admin_value[soap.wsdl_cache_ttl] = 86400
php_admin_value[opcache.enable] = 1
php_admin_value[opcache.enable_cli] = 1
php_admin_value[opcache.use_cwd] = On
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown] = 1
php_admin_value[opcache.file_cache] = /var/www/html/tmp/
php_admin_value[opcache.file_cache_only] = 1
php_admin_value[opcache.file_update_protection] = 2
php_admin_value[opcache.revalidate_freq] = 60
php_admin_value[opcache.validate_timestamps] = 1
php_admin_value[opcache.max_accelerated_files] = 10000
php_admin_value[opcache.memory_consumption] = 128
php_admin_value[opcache.interned_strings_buffer] = 8
php_admin_value[opcache.fast_shutdown]
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