PHP Calendar PHP Date PHP Directory PHP Error PHP Exception PHP Filesystem PHP Filter PHP FTP PHP JSON PHP Keywords PHP Libxml PHP Mail PHP Math PHP Misc PHP MySQLi PHP Network PHP Output Control PHP RegEx PHP SimpleXML PHP Stream PHP String PHP Variable Handlin...
Variables that are created outside of a function (as in all of the examples in the previous pages) are known as global variables.Global variables can be used by everyone, both inside of functions and outside.ExampleGet your own Python Server Create a variable outside of a function, and ...
考虑一下这个 # global variable i_am_global = {} def get_global(): global i_am_global # declare 1 if i_am_global is not None: return i_am_global global i_am_global # declare 2 i_am_global = do_something() return i_am_global def main(): get_global() if __name__ == "_...
parseInt() Parses a string and returns an integer String() Converts an object's value to a string undefined Indicates that a variable has not been assigned a value unescape() Deprecated. Use instead:decodeURI() decodeURIComponent()Note Since these methods are global, and global the object ...
In this example we will create a Global.asa file that counts the number of current visitors. The Application_OnStart sets the Application variable "visitors" to 0 when the server starts The Session_OnStart subroutine adds one to the variable "visitors" every time a new visitor arrives ...