How to check if php is installed on linux

How to check whether php is installed on Linux: 1. Check the current php version through the "php -v" command in the terminal; 2. Execute the command "rpm -qa | grep php" in the terminal; 3. Use Use the list parameter of the pear command to check the installed PHP support.

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Method 1. Check it through the php -v command in the terminal The current version of php. If php is not installed, it will usually prompt that there is no php command.

Method 2: Check on the terminal whether there is php in the installed package. Taking redhat as an example, you can execute the following command:

rpm -qa | grep php

As shown in the figure below Display, it means that php is installed.

##Method 3: You can use the list parameter of the pear command to view the installed PHP support. Pear is the abbreviation of PHP Extension and Application Repository ("PHP Extension and Application Repository"). Note that it is not a pear, although it is pronounced the same as that fruit. After installing php, some of pear's libraries will be automatically installed by default, so you can use the pear command to determine whether to install php. Execute the following command:

pear list

As shown in the figure below, it means it is installed. php.

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