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

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

A). fgets()

B). fread()

C). fget()

D). readline()

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

A). fclose()

B). close()

C). endfile()

D). finish()

How do you get the file size in PHP?

A). filesize()

B). get_file_size()

C). file_size()

D). size()

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

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

A). is_readable()

B). can_read()

C). is_read()

D). readable_file()

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

A). Read data from a file

B). Write data to a file

C). Append data to a file

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

A). file_put_contents()

B). fwrite()

C). fput()

D). put_file()

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

A). w

B). r

C). a

D). wb

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()