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 statements is true about PHP's include and require functions?
A). include will only produce a warning if the file cannot be found, while require will produce an error
B). include will produce an error if the file cannot be found, while require will only produce a warning
C). Both include and require will produce an error if the file cannot be found
D). Both include and require will only produce a warning if the file cannot be found
What is the purpose of the PHP function htmlspecialchars()?
A). To convert special characters to HTML entities, preventing cross-site scripting (XSS) attacks
B). To calculate the length of a string
C). To generate random numbers
D). To format date and time values
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 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 PHP directive is used to set the maximum execution time of a script?
A). max_execution_time
B). memory_limit
C). error_reporting
D). display_errors
Which configuration file is used to customize PHP settings?
A). php.ini
B). index.html
C). config.php
D). .htaccess
Which of the following is a web server commonly used with PHP?
A). Apache
B). MySQL
C). Node.js
D). Python
Which configuration directive in php.ini is used to specify the maximum amount of memory that a PHP script can use?
A). memory_limit
B). max_execution_time
C). upload_max_filesize
D). post_max_size
What is the purpose of the mysqli_connect() function in PHP?
A). To establish a connection to a MySQL database
B). To execute a SQL query
C). To encrypt data transmission
D). To send an HTTP request