PHP

Got it! This site uses cookies. You consent to this by clicking on "Got it!" or by continuing to use this website.nbsp; Note: This appears on each machine/browser from which this site is accessed.

PHP is a scripting language that is often used for server side creation of web pages. But PHP can be used in command line mode.

PHP is a popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. From the PHP web site at https://www.php.net/ .

The CentOS repository has the older PHP 5.4.

The following Linux command(s) install PHP 7.

sudo yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm sudo yum -y install http://rpms.remirepo.net/enterprise/remi-release-7.rpm yum-config-manager --enable remi-php72 sudo yum -y install php php-mcrypt php-cli php-gd php-curl php-mysql php-ldap php-zip php-fileinfo

This installation information was found at https://www.tecmint.com/install-php-7-in-centos-7/ on 2019-08-04 and was customized for use here.

The following Linux command(s) enter interactive mode.

php -a

Then type the following commands interactively, pressing Enter after each command. Press Ctrl-D to exit interactive mode.

echo(4+3);

The output should be as follows.

The following Linux command(s) check the installed version of PHP.

php -v

On 2019-08-04 the output was as follows.

The file type of a PHP program file is php.

The following Linux command(s) create/edit a hello program in the your home directory using the nano text editor.

nano ~/hello.php

Create the following program text in the editor that will output the text "Hello world"

<?php print("Hello world\n"); ?>

To exit with save, remember to press Ctrl-X, then "y" (for yes) and Enter to exit.

The following Linux command(s) run the program.

$php -f ~/hello.php

The output should be as follows.

Hello world