How to modify php version

Method to upgrade the version: 1. Use the yum command to disable the download source of the current PHP version; 2. Use the yum command to enable the download source of the PHP version to be upgraded; 3. Execute "yum update -y ” Just perform the upgrade and update. Methods to downgrade the version: 1. Use the yum command to disable the download source of the current version; 2. Use the yum command to enable the download source of the specified lower version; 3. Uninstall the current version and other related dependencies; 4. Then install the specified lower version. And related PHP modules.

The operating environment of this article: linux7.3 system, PHP5.6&&PHP7.0 version, DELL G3 computer.

How to change PHP version?

When using the image, you may encounter the need to change the PHP version later, for example: PHP5.6 is upgraded to PHP7.0, the following details:

Upgrading PHP version

In actual use, you will encounter the situation of upgrading a large version of PHP, such as: from PHP5.5->PHP5.6 or PHP5.6->PHP7.0 wait. For the LAMP environment we provide, the upgrade method is very simple.

Take PHP5.5->PHP5.6 as an example, the details are as follows:

Execute the following three commands in WinSCP or Putty in sequence:

//首先，禁用当前 PHP55 源
yum-config-manager --disable remi-php55   
//然后，启用需升级 PHP56 源
yum-config-manager --enable remi-php56     
//最后，升级更新
yum update -y

To ensure the upgrade is successful, please check the upgraded PHP version

php -v

Similarly to the PHP5.5->PHP7.0 upgrade, you only need to change the second command to yum-config-manager --enable remi-php70 can

Downgrade the PHP version

Take the downgrading of PHP7.0 to PHP5.6 as an example. The specific steps are as follows:

Disable the current For version 7.0 download source, run the command:

yum-config-manager --disable remi-php70

to enable the 5.6 download source, run the command:

yum-config-manager --enable remi-php5.6

to uninstall 7.0, run the command:

yum remove php-* -y

to uninstall other related dependencies, run Command:

yum autoremove -y

Install version 5.6 and other PHP modules, run the command:

yum -y install php-pecl-imagick php php-mysql php-common php-gd php-mbstring php-mcrypt php-devel php-xml php-pdo php-bcmath php-pear php-opcache php-ldap php-odbc php-xmlrpc php-json php-mysqlnd php-pdo php-pdo_dblib php-recode php-snmp php-soap php-pecl-zip php-curl php-imap
pear install Mail #安装mail模块
pear install net_smtp #安装SMTP模块

[Recommended learning: "PHP Video Tutorial"]

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