Q
Which PHP function is used to print a human-readable representation of a variable?

Answer & Solution

Answer: Option B
Solution:
The print_r() function in PHP is used to print a human-readable representation of a variable, including its data type and contents. It is commonly used for debugging purposes to display the structure and contents of arrays, objects, and other complex data types.
Related Questions on Average

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 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

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 primary purpose of using breakpoints in a debugger?

A). To pause script execution at specific points for analysis and inspection

B). To display error messages

C). To terminate script execution immediately

D). To hide certain lines of code from execution

How does setting the log_errors directive to On affect PHP behavior?

A). It enables logging of errors to a file

B). It disables error reporting to the web page

C). It suppresses error messages

D). It increases script execution speed

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

A). echo()

B). print()

C). error_log()

D). log_message()

Which PHP function is used to set the level of error reporting?

A). error_log()

B). display_errors()

C). set_error_handler()

D). error_reporting()

What is the purpose of using breakpoints in a debugger?

A). To pause script execution at specific points for analysis and inspection

B). To terminate script execution immediately

C). To display error messages

D). To hide certain lines of code from execution

Which PHP directive controls whether errors are displayed on the web page?

A). error_reporting

B). display_errors

C). log_errors

D). error_log

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()