centos7下安装php7

1.安装webtatic-release

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

[root@xxx ~]# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
Retrieving https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
warning: /var/tmp/rpm-tmp.wzpzqw: Header V4 RSA/SHA1 Signature, key ID 62e74ca5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:webtatic-release-7-3             ################################# [100%]

如果提示错误：
error: Failed dependencies:
epel-release >= 7 is needed by webtatic-release-7-3.noarch
需要先安装epel-release。

通过命令：

yum -y install epel-release

成功安装。

2.安装PHP7

yum install php70w

完成PHP7安装。

3.测试

[root@xxx ~]# php -v
PHP 7.0.33 (cli) (built: Dec  6 2018 22:30:44) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies