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
Which PHP function is used to print a human-readable representation of a variable?
A). echo()
B). print_r()
C). var_dump()
D). log()
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
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
What function is commonly used to display structured information about variables in PHP?
A). print_r()
B). echo()
C). var_dump()
D). log()
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