16. What is the purpose of the PHP function file_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 getcwd() return?

A). Current working directory

B). Contents of a directory

C). Size of a file

D). Absolute path of a 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

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

Which PHP function returns the parent directory of a file?

A). dirname()

B). realpath()

C). pathinfo()

D). basename()

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 pathinfo() return?

A). Information about a file path

B). Extension of a file

C). Directory name component of a path

D). Size of a file

Which PHP function creates a directory?

A). mkdir()

B). scandir()

C). rmdir()

D). chdir()

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 changes the current directory?

A). chdir()

B). mkdir()

C). rmdir()

D). scandir()