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

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()

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

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

A). fgets()

B). fread()

C). fget()

D). readline()

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 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 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

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

A). is_readable()

B). can_read()

C). is_read()

D). readable_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

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

A). fwrite()

B). fput()

C). file_write()

D). put_file()