Answer & Solution
htmlspecialchars()
function in PHP converts special characters to HTML entities, preventing cross-site scripting (XSS) attacks by rendering user input as harmless text.
htmlspecialchars()
?
htmlspecialchars()
function in PHP converts special characters to HTML entities, preventing cross-site scripting (XSS) attacks by rendering user input as harmless text.
Which command is used to install PHP on Ubuntu Linux?
A). sudo apt-get install php
B). brew install php
C). yum install php
D). pacman -S php
What is the purpose of the PHP extension directory (extension_dir) in the php.ini configuration file?
A). To specify the directory where PHP extensions are located
B). To define the default timezone for PHP scripts
C). To set the maximum execution time for PHP scripts
D). To configure the document root directory for Apache
What does the term 'LAMP stack' refer to?
A). A software bundle consisting of Linux, Apache, MySQL, and PHP
B). A popular PHP framework for web development
C). A security feature for PHP applications
D). An encryption protocol used in web servers
Which of the following commands is used to check the PHP version installed on a system?
A). php -v
B). phpinfo()
C). php -version
D). phpinfo
What does the acronym WAMP stand for?
A). Windows, Apache, MySQL, PHP
B). WordPress, Apache, MySQL, PHP
C). Web Application Management Platform
D). Wireless Application Protocol
Which configuration file is used to customize PHP settings?
A). php.ini
B). index.html
C). config.php
D). .htaccess
What is the purpose of the PHP superglobal $_SERVER
?
A). To access server-related information
B). To store session data
C). To retrieve form input values
D). To manage database connections
Which of the following commands is used to start the Apache web server on macOS?
A). sudo systemctl start apache2
B). sudo apachectl start
C). service httpd start
D). start apache
Which of the following is a popular PHP framework for web development?
A). Laravel
B). React
C). Angular
D). Vue.js
What is the purpose of the PHP function phpinfo()
?
A). To display detailed information about the PHP configuration
B). To execute PHP code
C). To validate HTML markup
D). To redirect to another web page