chmod() function is used to change file permissions in PHP. It allows you to set read, write, and execute permissions for the owner, group, and others on a file.
Which PHP function sets the default permissions for new files?
A). umask()
B). chmod()
C). set_permissions()
D). default_perms()
Which PHP function returns the size of a file?
A). filesize()
B). get_filesize()
C). file_size()
D). size()
What PHP function retrieves information about a file?
A). stat()
B). fileinfo()
C). fileinfo_stat()
D). fileinfo()
What is the PHP function to move an uploaded file to a new location?
A). move_uploaded_file()
B). copy()
C). rename()
D). move_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
Which PHP function returns the parent directory of a file?
A). dirname()
B). realpath()
C). parentdir()
D). parent()
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 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 retrieves the last modified time of a file?
A). filemtime()
B). file_lastmod()
C). last_modified()
D). mod_time()
Which PHP function checks if a file or directory exists?
A). file_exists()
B). is_file()
C). exists()
D). check_file()