5. Which PHP function checks if a file or directory exists?

What does the PHP function is_file() check for?

A). Checks if a path is a regular file

B). Checks if a path is a directory

C). Checks if a file is writable

D). Checks if a file is readable

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 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 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 creates a new file?

A). fopen()

B). file_create()

C). touch()

D). create_file()

Which PHP function extracts the extension of a file path?

A). pathinfo()

B). dirname()

C). realpath()

D). basename()

Which PHP function removes a file from the file system?

A). unlink()

B). delete()

C). remove()

D). erase()

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

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