这篇文章主要介绍查看php安装模块的方法，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

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查看php安装模块的方法：首先进入命令窗口；然后输入命令“php -m”并执行；最后查看php已安装的模块即可。

Ubuntu 查看php已安装扩展及相关软件包

查看php已安装扩展

$ php -m
[PHP Modules]
bcmath
bz2
calendar
Core
ctype
curl
date
dom
exif
fileinfo
filter
ftp
gd
gettext
hash
iconv
igbinary
json
libxml
mbstring
memcached
msgpack
openssl
pcntl
pcre
PDO
pdo_pgsql
pgsql
Phar
posix
readline
redis
Reflection
session
shmop
SimpleXML
sockets
sodium
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
wddx
xml
xmlreader
xmlwriter
xsl
Zend OPcache
zip
zlib
[Zend Modules]
Zend OPcache

查看安装php相关软件包：

$dpkg -l | grep 'php'
ii  libapache2-mod-php7.2                      7.2.15-0ubuntu0.18.04.2                      amd64        server-side, HTML-embedded scripting language (Apache 2 module)
ii  php                                        1:7.2+60ubuntu1                              all          server-side, HTML-embedded scripting language (default)
ii  php-auth-sasl                              1.0.6-3                                      all          Abstraction of various SASL mechanism responses
ii  php-cli-prompt                             1.0.3+dfsg-1                                 all          tiny helper prompting for user input
ii  php-common                                 1:60ubuntu1                                  all          Common files for PHP packages
ii  php-composer-ca-bundle                     1.1.0-1                                      all          utility library to find a path to the system CA bundle
ii  php-composer-semver                        1.4.2-1                                      all          utilities, version constraint parsing and validation
ii  php-composer-spdx-licenses                 1.3.0-1                                      all          SPDX licenses list and validation library
ii  php-igbinary                               2.0.5-1build1                                amd64        igbinary PHP serializer
ii  php-json-schema                            5.2.6-1                                      all          implementation of JSON schema
ii  php-mail                                   1.3.0-1                                      all          Class that provides multiple interfaces for sending emails
ii  php-memcached                              3.0.1+2.2.0-1build2                          amd64        memcached extension module for PHP, uses libmemcached
ii  php-msgpack                                2.0.2+0.5.7-2build1                          amd64        PHP extension for interfacing with MessagePack
ii  php-net-smtp                               1.8.0-1                                      all          PHP PEAR module implementing SMTP protocol
ii  php-net-socket                             1.0.14-2                                     all          Network Socket Interface
ii  php-pear                                   1:1.10.5+submodules+notgz-1ubuntu1.18.04.1   all          PEAR Base System
ii  php-psr-log                                1.0.2-1                                      all          common interface for logging libraries
ii  php-redis                                  3.1.6-1build1                                amd64        PHP extension for interfacing with Redis
ii  php-symfony-console                        3.4.6+dfsg-1ubuntu0.1                        all          run tasks from the command line
ii  php-symfony-debug                          3.4.6+dfsg-1ubuntu0.1                        all          tools to make debugging of PHP code easier
ii  php-symfony-filesystem                     3.4.6+dfsg-1ubuntu0.1                        all          basic filesystem utilities
ii  php-symfony-finder                         3.4.6+dfsg-1ubuntu0.1                        all          find files and directories
ii  php-symfony-polyfill-mbstring              1.6.0-2                                      all          Symfony polyfill for the Mbstring extension
ii  php-symfony-process                        3.4.6+dfsg-1ubuntu0.1                        all          execute commands in sub-processes
ii  php7.2                                     7.2.15-0ubuntu0.18.04.2                      all          server-side, HTML-embedded scripting language (metapackage)
ii  php7.2-bcmath                              7.2.15-0ubuntu0.18.04.2                      amd64        Bcmath module for PHP
ii  php7.2-bz2                                 7.2.15-0ubuntu0.18.04.2                      amd64        bzip2 module for PHP
ii  php7.2-cli                                 7.2.15-0ubuntu0.18.04.2                      amd64        command-line interpreter for the PHP scripting language
ii  php7.2-common                              7.2.15-0ubuntu0.18.04.2                      amd64        documentation, examples and common module for PHP
ii  php7.2-curl                                7.2.15-0ubuntu0.18.04.2                      amd64        CURL module for PHP
ii  php7.2-fpm                                 7.2.15-0ubuntu0.18.04.2                      amd64        server-side, HTML-embedded scripting language (FPM-CGI binary)
ii  php7.2-gd                                  7.2.15-0ubuntu0.18.04.2                      amd64        GD module for PHP
ii  php7.2-json                                7.2.15-0ubuntu0.18.04.2                      amd64        JSON module for PHP
ii  php7.2-mbstring                            7.2.15-0ubuntu0.18.04.2                      amd64        MBSTRING module for PHP
ii  php7.2-opcache                             7.2.15-0ubuntu0.18.04.2                      amd64        Zend OpCache module for PHP
ii  php7.2-pgsql                               7.2.15-0ubuntu0.18.04.2                      amd64        PostgreSQL module for PHP
ii  php7.2-readline                            7.2.15-0ubuntu0.18.04.2                      amd64        readline module for PHP
ii  php7.2-xml                                 7.2.15-0ubuntu0.18.04.2                      amd64        DOM, SimpleXML, WDDX, XML, and XSL module for PHP
ii  php7.2-xsl                                 7.2.15-0ubuntu0.18.04.2                      all          XSL module for PHP (dummy)
ii  php7.2-zip                                 7.2.15-0ubuntu0.18.04.2                      amd64        Zip module for PHP

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