15. Which PHP function returns the parent directory of a 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()

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

Which PHP function returns the filename component of a path?

A). basename()

B). dirname()

C). realpath()

D). filename()

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 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 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 checks if a file or directory exists?

A). file_exists()

B). is_file()

C). is_dir()

D). 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