How To Install php-ZendFramework2-Captcha on CentOS 7
Introduction
In this tutorial we learn how to install php-ZendFramework2-Captcha on CentOS 7.
What is php-ZendFramework2-Captcha
CAPTCHA stands for “Completely Automated Public Turing test to tell Computers and Humans Apart”; it is used as a challenge-response to ensure that the individual submitting information is a human and not an automated process. Typically, a CAPTCHA is used with form submissions where authenticated users are not necessary, but you want to prevent spam submissions. CAPTCHAs can take a variety of forms, including asking logic questions, presenting skewed fonts, and presenting multiple images and asking how they relate. The Zend\Captcha component aims to provide a variety of back ends that may be utilized either standalone or in conjunction with the Zend\Form component.
We can use yum or dnf to install php-ZendFramework2-Captcha on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install php-ZendFramework2-Captcha.
Install php-ZendFramework2-Captcha on CentOS 7 Using yum
Update yum database with yum using the following command.
After updating yum database, We can install php-ZendFramework2-Captcha using yum by running the following command:
Install php-ZendFramework2-Captcha on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
After updating yum database, We can install php-ZendFramework2-Captcha using dnf by running the following command:
How To Uninstall php-ZendFramework2-Captcha on CentOS 7
To uninstall only the php-ZendFramework2-Captcha package we can use the following command:
References
Summary
In this tutorial we learn how to install php-ZendFramework2-Captcha on CentOS 7 using yum and dnf.