10. What is the purpose of the 'b' mode when opening a file in PHP?

How do you get the file size in PHP?

A). filesize()

B). get_file_size()

C). file_size()

D). size()

How do you check if a file is readable in PHP?

A). is_readable()

B). can_read()

C). is_read()

D). readable_file()

Which function is used to delete a file in PHP?

A). unlink()

B). delete_file()

C). remove_file()

D). erase()

Which function is used to check if a file exists in PHP?

A). file_exists()

B). is_file()

C). file_check()

D). check_file()

What does the 'a' mode do when opening a file in PHP?

A). Appends data to the end of the file

B). Reads data from the file

C). Truncates the file to zero length

D). Creates a new file if it doesn't exist

How do you check if a file is writable in PHP?

A). is_writable()

B). can_write()

C). is_writeable()

D). writable_file()

What does the 'rb' mode do when opening a file in PHP?

A). Read mode for binary files

B). Read mode for large files

C). Read mode with buffering

D). Read mode with backup

How do you close a file after reading from it in PHP?

A). fclose()

B). close()

C). endfile()

D). finish()

What is the purpose of the 'x' mode when opening a file in PHP?

A). Create a new file and open it for writing

B). Read the file in exclusive mode

C). Execute the file as a PHP script

D). Export file contents to another format

Which function is used to write data to a file in PHP?

A). fwrite()

B). fput()

C). file_write()

D). put_file()