Q
What function is commonly used to display structured information about variables in PHP?

Answer & Solution

Answer: Option C
Solution:
The var_dump() function is commonly used to display structured information about one or more variables in PHP, including their data type and value. It is particularly useful for debugging and understanding variable values during script execution.
Related Questions on Average

Which PHP function is used to output or return a parsable string representation of a variable?

A). var_dump()

B). echo()

C). print()

D). var_export()

What is the purpose of logging messages during PHP script execution?

A). To track program flow, variable values, and errors

B). To increase script execution speed

C). To display additional output on the web page

D). To prevent script errors

Which PHP function is commonly used to log messages to a file?

A). echo()

B). print()

C). error_log()

D). log_message()

What is the primary benefit of using Xdebug for PHP debugging?

A). Advanced features like stack traces and profiling

B). Lightweight and easy to install

C). Integration with third-party IDEs

D). Cross-platform compatibility

What does the var_export() function do in PHP?

A). Outputs or returns a parsable string representation of a variable

B). Prints a human-readable representation of a variable

C). Logs a message to a file

D). Redirects script output to a specified file

How can you trigger a user-defined error in PHP?

A). By calling the trigger_error() function

B). By using the print() function

C). By setting a breakpoint in the code

D). By configuring PHP directives in php.ini

What feature of Xdebug allows developers to debug PHP scripts remotely from an IDE?

A). Remote debugging

B). Error logging

C). Error reporting

D). Code profiling

What does the xdebug.remote_enable directive control?

A). Whether remote debugging is enabled

B). Whether error logging is enabled

C). Whether error reporting is enabled

D). Whether Xdebug is installed

What is the purpose of using the die() function in PHP?

A). To terminate script execution immediately

B). To display an error message

C). To restart the script

D). To pause script execution indefinitely

How can you trigger a user-defined error in PHP?

A). By calling the trigger_error() function

B). By using the print() function

C). By setting a breakpoint in the code

D). By configuring PHP directives in php.ini