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