Installing and configuring PHP on different platforms Mocktest

Question - 19

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Installing and configuring PHP on different platforms
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11.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The memory_limit directive in php.ini sets the maximum amount of memory that a PHP script can allocate and use.

12.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The $_SERVER superglobal in PHP contains information about the server environment, including headers, paths, and script locations.

13.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The php -v command is used to check the PHP version from the command line interface.

14.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

WAMP stands for "Windows, Apache, MySQL, PHP," referring to a software stack commonly used for web development on Windows operating systems.

15.

Which of the following is a popular PHP framework for web development?

A). Laravel B). React C). Angular D). Vue.js

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Laravel is a widely-used PHP framework known for its elegant syntax, MVC architecture, and robust features, making it popular for web development projects.

16.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The mysqli_connect() function is used in PHP to establish a connection to a MySQL database server, allowing PHP scripts to interact with MySQL databases.

17.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The include function will only produce a warning if the file cannot be found, while the require function will produce a fatal error and halt script execution.

18.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The max_execution_time directive is used to set the maximum execution time of a PHP script, preventing infinite loops and excessive processing.

19.

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

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The htmlspecialchars() function in PHP converts special characters to HTML entities, preventing cross-site scripting (XSS) attacks by rendering user input as harmless text.

Installing and configuring PHP on different platforms Mocktest

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