is_file() function checks if a path corresponds to a regular file and returns true if it is a file and false otherwise.
Which PHP function sets the file pointer to the beginning of a file?
A). rewind()
B). reset()
C). fseek()
D). file_start()
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 PHP function retrieves information about a file?
A). stat()
B). fileinfo()
C). fileinfo_stat()
D). fileinfo()
Which PHP function is used to change file permissions?
A). chmod()
B). chown()
C). chgrp()
D). umask()
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
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'
What PHP function creates a directory?
A). mkdir()
B). create_directory()
C). newdir()
D). dir_create()
Which PHP function returns the size of a file?
A). filesize()
B). get_filesize()
C). file_size()
D). size()