Q
What is the primary purpose of using breakpoints in a debugger?

Answer & Solution

Answer: Option A
Solution:
Breakpoints in a debugger are used to pause script execution at specific points, allowing developers to analyze the program state, inspect variable values, and understand the flow of execution. This facilitates efficient debugging by enabling developers to pinpoint the cause of issues.
Related Questions on Average

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

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 commonly used to log messages to a file?

A). echo()

B). print()

C). error_log()

D). log_message()

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

How can you set the level of error reporting in PHP to display all types of errors?

A). error_reporting(E_ALL);

B). error_reporting(E_NOTICE);

C). error_reporting(E_ERROR);

D). error_reporting(E_WARNING);

How can you set breakpoints and inspect variable values in PHP code?

A). By using a debugger integrated with an IDE

B). By adding echo statements throughout the code

C). By setting environment variables

D). By configuring PHP directives in php.ini

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

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 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 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