Answer & Solution
filemtime() function retrieves the last modified time of a file in PHP.
filemtime() function retrieves the last modified time of a file in PHP.
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
What PHP function retrieves information about a file?
A). stat()
B). fileinfo()
C). fileinfo_stat()
D). fileinfo()
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 checks if a file or directory exists?
A). file_exists()
B). is_file()
C). exists()
D). check_file()
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
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
What PHP function creates a directory?
A). mkdir()
B). create_directory()
C). newdir()
D). dir_create()
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'