20. What does the PHP function is_writable() check for?

Which PHP function removes a directory?

A). rmdir()

B). mkdir()

C). chdir()

D). scandir()

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 returns the absolute path of a file?

A). realpath()

B). basename()

C). dirname()

D). pathinfo()

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 changes the current directory?

A). chdir()

B). mkdir()

C). rmdir()

D). scandir()

What does the PHP function scandir() do?

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

B). Returns the contents of a file

C). Returns the current working directory

D). Returns the size of a file

Which PHP function checks if a file or directory exists?

A). file_exists()

B). is_file()

C). is_dir()

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