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

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 delete a file in PHP?

A). unlink()

B). delete_file()

C). remove_file()

D). erase()

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

A). is_writable()

B). can_write()

C). is_writeable()

D). writable_file()

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

A). fclose()

B). close()

C). endfile()

D). finish()

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

A). fwrite()

B). fput()

C). file_write()

D). put_file()

Which function is used to open a file in PHP?

A). fopen()

B). readfile()

C). file_get_contents()

D). file_put_contents()

Which function is used to read the entire content of a file into a string in PHP?

A). file_get_contents()

B). fread()

C). fget_contents()

D). read_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 write data to a file if the file doesn't exist in PHP?

A). file_put_contents()

B). fwrite()

C). fput()

D). put_file()

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

A). Read and write mode, truncates file to zero length

B). Append mode, creates new file if it doesn't exist

C). Write mode, appends data to end of file

D). Read mode, creates new file if it doesn't exist