dirname() function returns the parent directory of a file path, such as extracting '/path/to' from '/path/to/file.txt'.
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 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 sets the file pointer to the beginning of a file?
A). rewind()
B). reset()
C). fseek()
D). file_start()
Which PHP function is used to change file permissions?
A). chmod()
B). chown()
C). chgrp()
D). umask()
What PHP function creates a directory?
A). mkdir()
B). create_directory()
C). newdir()
D). dir_create()
What attribute is required in HTML forms for file uploads?
A). enctype='multipart/form-data'
B). method='file'
C). enctype='application/x-www-form-urlencoded'
D). enctype='text/plain'
Which PHP function is used to handle file uploads?
A). move_uploaded_file()
B). copy()
C). rename()
D). fopen()
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
Which superglobal variable in PHP is used to handle file uploads?
A). $_FILES
B). $_POST
C). $_GET
D). $_REQUEST
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