15. Which PHP function returns the parent directory of a file?

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

A). Checks if a file or directory exists

B). Returns the absolute path of a file

C). Extracts the extension of a file path

D). Returns the parent directory of a file

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

What does the PHP function getcwd() return?

A). Current working directory

B). Contents of a directory

C). Size of a file

D). Absolute path of a file

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 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 checks if a file or directory exists?

A). file_exists()

B). is_file()

C). is_dir()

D). exists()

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

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 returns the filename component of a path?

A). basename()

B). dirname()

C). realpath()

D). filename()