16. How do you get the file size in PHP?

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

A). fwrite()

B). fput()

C). file_write()

D). put_file()

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

A). Binary mode for reading and writing data

B). Read mode for large files

C). Backup mode for file operations

D). Buffer mode for file handling

Which function is used to write data to a file if the file doesn't exist in PHP?

A). file_put_contents()

B). fwrite()

C). fput()

D). put_file()

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

A). is_readable()

B). can_read()

C). is_read()

D). readable_file()

Which mode should be used to open a file for both reading and writing in PHP?

A). r+

B). w+

C). a+

D). rb+

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

A). is_writable()

B). can_write()

C). is_writeable()

D). writable_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()

Which function is used to read a single line from a file in PHP?

A). fgets()

B). fread()

C). fget()

D). readline()

Which function is used to open a file in PHP?

A). fopen()

B). readfile()

C). file_get_contents()

D). file_put_contents()