Q
Which PHP function is commonly used to log messages to a file?

Answer & Solution

Answer: Option C
Solution:
The error_log() function in PHP is commonly used to log messages, warnings, and errors to a file for debugging purposes. It allows developers to record information about script execution, including error messages, variable values, and program flow, for later analysis and troubleshooting.
Related Questions on Average

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

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

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

A). To pause script execution at specific points for analysis and inspection

B). To display error messages

C). To terminate script execution immediately

D). To hide certain lines of code from execution

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 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 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

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()

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