centos7 升级php版本到7.2

#自带的只有5.4版本

yum provides php

[ etc]# yum provides php
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.aliyun.com
 * epel: mirrors.aliyun.com
 * extras: mirrors.aliyun.com
 * updates: mirrors.aliyun.com
 * webtatic: uk.repo.webtatic.com
mod_php71w-7.1.26-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.26-1.w7



mod_php71w-7.1.27-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.27-1.w7



mod_php71w-7.1.28-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.28-1.w7



mod_php71w-7.1.29-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.29-1.w7



mod_php71w-7.1.30-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.30-1.w7



mod_php71w-7.1.31-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.31-1.w7



mod_php71w-7.1.32-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.32-1.w7



mod_php71w-7.1.33-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.1.33-1.w7



mod_php72w-7.2.14-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.2.14-1.w7



mod_php72w-7.2.16-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.2.16-1.w7



mod_php72w-7.2.17-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.2.17-1.w7



mod_php72w-7.2.19-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.2.19-1.w7



mod_php72w-7.2.21-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.2.21-1.w7



mod_php72w-7.2.22-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.2.22-1.w7



mod_php72w-7.2.24-1.w7.x86_64 : PHP module for the Apache HTTP Server
Repo        : webtatic
Matched from:
Provides    : php = 7.2.24-1.w7



php-5.4.16-46.el7.x86_64 : PHP scripting language for creating dynamic web
                         : sites
Repo        : base



php-5.4.16-46.1.el7_7.x86_64 : PHP scripting language for creating dynamic
                             : web sites
Repo        : updates



php55w-5.5.38-1.w7.x86_64 : PHP scripting language for creating dynamic web
                          : sites
Repo        : webtatic
Matched from:
Provides    : php = 5.5.38-1.w7



php56w-5.6.40-1.w7.x86_64 : PHP scripting language for creating dynamic web
                          : sites
Repo        : webtatic
Matched from:
Provides    : php = 5.6.40-1.w7



php70w-7.0.33-1.w7.x86_64 : PHP scripting language for creating dynamic web
                          : sites
Repo        : webtatic
Matched from:
Provides    : php = 7.0.33-1.w7

#更新源

rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm    
rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm

#移除系统自带的php-common

yum remove php-common -y

#安装依赖包

yum install -y php72w php72w-opcache php72w-xml php72w-mcrypt php72w-gd php72w-devel php72w-mysql php72w-intl php72w-mbstring

#版本变为7.2

php -v

显示以下结果

PHP 7.2.24 (cli) (built: Oct 26 2019 12:28:19) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.2.24, Copyright (c) 1999-2018, by Zend Technologies