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

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 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 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 extracts the extension of a file path?

A). pathinfo()

B). dirname()

C). realpath()

D). basename()

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

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 creates a new file?

A). fopen()

B). file_create()

C). touch()

D). create_file()

Which PHP function creates a directory?

A). mkdir()

B). scandir()

C). rmdir()

D). chdir()

Which PHP function removes a directory?

A). rmdir()

B). mkdir()

C). chdir()

D). scandir()

Which PHP function changes the current directory?

A). chdir()

B). mkdir()

C). rmdir()

D). scandir()