20. What does the PHP function is_writable() check for?

Which PHP function returns the parent directory of a file?

A). dirname()

B). realpath()

C). pathinfo()

D). basename()

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

Which PHP function checks if a file or directory exists?

A). file_exists()

B). is_file()

C). is_dir()

D). exists()

Which PHP function removes a file from the file system?

A). unlink()

B). delete()

C). remove()

D). erase()

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 changes the current directory?

A). chdir()

B). mkdir()

C). rmdir()

D). scandir()

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 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 new file?

A). fopen()

B). file_create()

C). touch()

D). create_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