# Centos7 安裝 php7.4

#### 新增Remi repository

```shell
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum install epel-release yum-utils
```

開啟PHP 7.4  
`yum-config-manager --enable remi-php74`

安裝PHP 7.4  
`yum install php`

驗證  
`php -v`

安裝PHP 7.4擴充功能

```shell
yum install php-devel php-xmlrpc php-bcmath php-recode php-pdo php-mysqlnd \
php-enchant php-common php-cli php-gd php-embedded php-ldap php-process \
php-pecl-zip php-pgsql php-dba php-json php-soap php-fpm php-pear php-odbc \
php-intl php-xml php-snmp php-mbstring php-imagick -y
```

如要降級安裝php 7.3，則先移除原先的安裝，再執行  
`yum-config-manager --disable remi-php74<br></br>yum-config-manager --enable remi-php73`