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 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 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 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 used to output or return a parsable string representation of a variable?
A). var_dump()
B). echo()
C). print()
D). var_export()
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()
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);
Which PHP function is commonly used to log messages to a file?
A). echo()
B). print()
C). error_log()
D). log_message()
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