18. What does the PHP function is_readable() check for?

Which PHP function removes a file from the file system?

A). unlink()

B). delete()

C). remove()

D). erase()

Which PHP function returns the absolute path of a file?

A). realpath()

B). basename()

C). dirname()

D). pathinfo()

Which PHP function removes a directory?

A). rmdir()

B). mkdir()

C). chdir()

D). scandir()

What is the PHP function to check if a path is a directory?

A). is_dir()

B). is_file()

C). file_exists()

D). exists()

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

What does the PHP function is_writable() check for?

A). Checks if a file is writable

B). Checks if a file is readable

C). Checks if a file is executable

D). Checks if a file is deletable

Which PHP function creates a directory?

A). mkdir()

B). scandir()

C). rmdir()

D). chdir()

Which PHP function creates a new file?

A). fopen()

B). file_create()

C). touch()

D). create_file()

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()