Last updated on: 2021-12-02
Authored by: Alfonso Murillo
This article shows how to enable the PHP cURL extension for it to be used in a server that uses an Ubuntu LAMP stack.
Procedure
Check the version of php your server is running on:
It would look as follows:
root@ubuntu:~# php -v
PHP 7.4.3 [cli] [built: Aug 13 2021 05:39:12] [ NTS ]
Copyright [c] The PHP Group
Zend Engine v3.4.0, Copyright [c] Zend Technologies
with Zend OPcache v7.4.3, Copyright [c], by Zend Technologies
root@ubuntu:~#
Note: For this exercise, PHP 7.4 is being used, the package that you will install needs to match the version of PHP your server is running on.
The installation will be made through apt
so an optional recommended command before starting with the installation to make sure you obtain the last updated packages is:
Search for the curl package, you can use apt-cache
to search for package in your source lists and using grep to filter the results.
root@ubuntu:~# apt-cache search php | grep curl
php-curl - CURL module for PHP [default]
php7.4-curl - CURL module for PHP
root@ubuntu:~#
For PHP 7.4 version you will need to install the cURL Extension for PHP using the following command:
$ sudo apt install php7.4-curl
Once installed, review the syntax to ensure the Apache can be restarted without issues.
Note: In case Apache is unable to restart properly, this could lead to downtime.
After the installation is completed you will need to restart the Apache server.
$ sudo service apache2 restart
Conclusion
After following the instructions above, you will be able to user cURL on an Ubuntu LAMP stack.
Related Articles
- Installing a LAMP stack on Ubuntu 18.04
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CURL stands for Client URL. It is a Linux Terminal command which is used to transferring data from one server to another server. It is a free and open-source data transfer tool that uses the following protocols: IMAP, IMAPS, POP, POP3, POP3S, DICT, FILE HTTP, HTTPS, SMB, SMBS, SMTP, SMTPS, FTP, FTPS, TELNET, RTSP, RMTP, and TFTP.
It displays a meter-like progress bar while running and indicating various parameters like the amount of transferred data, speed of data transfer and estimated time left.
Following are the steps for the installation of PHP-CURL on your Ubuntu system:
- Step 1: Install PHP
libraries for the server by running the following command:
$ sudo add-apt-repository ppa:ondrej/php
- Step 2: Then, update the server:
$ sudo apt update
- Step 3: Now, install CURL.
$ sudo apt install curl
- Step
4: You can check the version of curl installed by the command:
$ dpkg -l curl
- Step 5: Once you have installed CURL on Ubuntu 18.04 PHP server, you need to restart your webserver on which PHP is running:
If you are using Apache server then use either of the following commands to restart the server:
$ sudo service apache2 restart
or
$ sudo /etc/init.d/apache2 restart
Similarly, if you are using Nginx server, then use either of the following commands:
$ sudo systemctl restart nginx
or
$ sudo /etc/init.d/nginx restart
PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.