How to enable and disable PHP curl module with Apache on Ubuntu Linux

Objective

The objective is to show how to enable and disable PHP curl module with Apache on Ubuntu Linux

Operating System and Software Versions

• Operating System: – Ubuntu 16.04

Requirements

Privileged root access to your Ubuntu server is required in order to install, enable and disable PHP curl module.

Difficulty

EASY

Conventions

• # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command
• $ – requires given linux commands to be executed as a regular non-privileged user

Instructions

Installation of Curl module

Let’s install Apache curl module along with Apache 2 webserver and PHP.

# apt install libapache2-mod-php php-curl

Restart the Apache webserver:

# service apache2 restart

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Check for curl module state

Insert the following lines into a new PHP script eg. curl-check.php within /var/www/html/ directory:

<?php
echo 'Curl: ', function_exists('curl_version') ? 'Enabled' . "\xA" : 'Disabled' . "\xA";
?>

Make the script executable and use curl command to render the output of curl-check.php php code:

# chmod +x /var/www/html/curl-check.php
# curl localhost/curl-check.php
Curl: Enabled

Disable PHP curl module

To disable curl php module execute:

# phpdismod curl
# service apache2 restart
# curl localhost/curl-check.php
Curl: Disabled

Enable PHP curl module

To enable curl php module execute:

# phpenmod curl
# service apache2 restart
# curl localhost/curl-check.php
Curl: Enabled