Answer & Solution
rewind() function sets the file pointer to the beginning of a file in PHP.
rewind() function sets the file pointer to the beginning of a file in PHP.
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 PHP function retrieves information about a file?
A). stat()
B). fileinfo()
C). fileinfo_stat()
D). fileinfo()
Which PHP function checks if a file or directory exists?
A). file_exists()
B). is_file()
C). exists()
D). check_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
Which PHP function returns the size of a file?
A). filesize()
B). get_filesize()
C). file_size()
D). size()
Which PHP function is used to change file permissions?
A). chmod()
B). chown()
C). chgrp()
D). umask()
Which superglobal variable in PHP is used to handle file uploads?
A). $_FILES
B). $_POST
C). $_GET
D). $_REQUEST
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 is the purpose of the PHP function fileatime()?
A). Retrieves the last access time of a file
B). Retrieves the last modified time of a file
C). Retrieves the creation time of a file
D). Retrieves the last status change time of a file
Which PHP function removes a directory?
A). rmdir()
B). removedir()
C). deletedir()
D). unlink()