16. What is the purpose of the PHP function file_exists()?

Which PHP function removes a directory?

A). rmdir()

B). mkdir()

C). chdir()

D). scandir()

What does the PHP function dirname() return?

A). Directory name component of a path

B). Filename component of a path

C). Absolute path of a file

D). Parent directory of the current directory

Which PHP function returns the filename component of a path?

A). basename()

B). dirname()

C). realpath()

D). filename()

What does the PHP function is_file() check for?

A). Checks if a path is a regular file

B). Checks if a path is a directory

C). Checks if a file is writable

D). Checks if a file is readable

Which PHP function returns the parent directory of a file?

A). dirname()

B). realpath()

C). pathinfo()

D). basename()

Which PHP function extracts the extension of a file path?

A). pathinfo()

B). dirname()

C). realpath()

D). basename()

Which PHP function creates a new file?

A). fopen()

B). file_create()

C). touch()

D). create_file()

What does the PHP function is_readable() check for?

A). Checks if a file is readable

B). Checks if a file is writable

C). Checks if a file is executable

D). Checks if a file is deletable

Which PHP function removes a file from the file system?

A). unlink()

B). delete()

C). remove()

D). erase()

What is the purpose of the PHP function realpath()?

A). Returns the absolute path of a file

B). Returns the directory name component of a path

C). Returns an array of files and directories in a directory

D). Checks if a file or directory exists