Answer & Solution
trigger_error()
function, which allows developers to generate custom error messages and trigger error handling mechanisms like custom error handlers or logging functions.
trigger_error()
function, which allows developers to generate custom error messages and trigger error handling mechanisms like custom error handlers or logging functions.
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 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
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 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 primary benefit of using Xdebug for PHP debugging?
A). Advanced features like stack traces and profiling
B). Lightweight and easy to install
C). Integration with third-party IDEs
D). Cross-platform compatibility
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 function is commonly used to display structured information about variables in PHP?
A). print_r()
B). echo()
C). var_dump()
D). log()
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