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 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 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
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 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
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 a PHP parser?
A). To interpret PHP code and generate dynamic web content
B). To store data in a relational database
C). To style web pages using CSS
D). To handle client-side scripting
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
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
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