is_file() function checks if a path corresponds to a regular file and returns true if it is a file and false otherwise.
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 PHP function is used to delete a file?
A). unlink()
B). remove()
C). delete()
D). file_delete()
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
Which PHP function sets the default permissions for new files?
A). umask()
B). chmod()
C). set_permissions()
D). default_perms()
Which PHP function is used to handle file uploads?
A). move_uploaded_file()
B). copy()
C). rename()
D). fopen()
What PHP function retrieves information about a file?
A). stat()
B). fileinfo()
C). fileinfo_stat()
D). fileinfo()
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 sets the file pointer to the beginning of a file?
A). rewind()
B). reset()
C). fseek()
D). file_start()
Which superglobal variable in PHP is used to handle file uploads?
A). $_FILES
B). $_POST
C). $_GET
D). $_REQUEST
Which PHP function checks if a file or directory exists?
A). file_exists()
B). is_file()
C). exists()
D). check_file()