dirname() function returns the parent directory of a file path, such as extracting '/path/to' from '/path/to/file.txt'.
What PHP function creates a directory?
A). mkdir()
B). create_directory()
C). newdir()
D). dir_create()
Which PHP function sets the default permissions for new files?
A). umask()
B). chmod()
C). set_permissions()
D). default_perms()
What is the purpose of the PHP function is_file()?
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
Which PHP function retrieves the last modified time of a file?
A). filemtime()
B). file_lastmod()
C). last_modified()
D). mod_time()
Which PHP function is used to handle file uploads?
A). move_uploaded_file()
B). copy()
C). rename()
D). fopen()
What PHP function is used to delete a file?
A). unlink()
B). remove()
C). delete()
D). file_delete()
What is the purpose of the PHP function umask()?
A). Sets the default file permissions for new files
B). Changes file ownership
C). Checks file existence
D). Removes a file
What does the PHP function touch() do?
A). Updates the access and modification time of a file
B). Creates a new file
C). Deletes a file
D). Changes file permissions
What does the PHP function filetype() return?
A). Type of a file
B). Size of a file
C). Extension of a file
D). Permissions of a file
Which superglobal variable in PHP is used to handle file uploads?
A). $_FILES
B). $_POST
C). $_GET
D). $_REQUEST