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| PHP is a general-purpose scripting language suited for Web development. PHP scripts can be embedded into HTML. This section explains how to install and configure PHP in an Ubuntu System with Apache2 and MySQL.
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| This section assumes you have installed and configured Apache2 Web Server and MySQL Database Server. You can refer to the Apache2 and MySQL sections in this document to install and configure Apache2 and MySQL respectively.
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| =Installation=
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| PHP is available in Ubuntu Linux. Unlike python and perl, which are installed in the base system, PHP must be added.
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| To install PHP and the Apache PHP module you can enter the following command at a terminal prompt:
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| <pre>
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| sudo apt install php libapache2-mod-php
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| </pre>
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| You can run PHP scripts at a terminal prompt. To run PHP scripts at a terminal prompt you should install the php-cli package. To install php-cli you can enter the following command at a terminal prompt:
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| <pre>
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| sudo apt install php-cli
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| </pre>
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| You can also execute PHP scripts without installing the Apache PHP module. To accomplish this, you should install the php-cgi package. You can run the following command at a terminal prompt to install the php-cgi package:
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| <pre>
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| sudo apt install php-cgi
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| </pre>
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| To use MySQL with PHP you should install the php-mysql package. To install php-mysql you can enter the following command at a terminal prompt:
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| <pre>
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| sudo apt install php-mysql
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| </pre>
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| Similarly, to use PostgreSQL with PHP you should install the php-pgsql package. To install php-pgsql you can enter the following command at a terminal prompt:
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| <pre>
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| sudo apt install php-pgsql
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| </pre>
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