note 56090 added to language.variables.variable

As for using superglobals with variable variables (PHP 5.0.4): <?php // Calling variable with its name given in superglobal - OK! function dump_variable ($name, $varName) { $$varName = 'TEST'; echo ${$_GET[$name]}; } $_GET['hello'] = 'world'; dump_variable ('hello', 'world'); ?> Works no problem, prints 'TEST'. But this does not work: <?php // Echoing content of superglobal variable - fails! function dump_superglobal ($method, $name) { echo "'dumping $method['$name']: " . ${$method}[$name]; } $_GET['hello'] = 'world'; dump_superglobal ('_GET', 'hello'); ?> It ends with the error Notice: Undefined variable: _GET in /network/web/test.php on line 7 Here's solution: <?php // Echoing content of superglobal variable 2nd try - OK! function dump_superglobal ($method, $name) { // This does solve the problem! global $$method; echo "'dumping $method['$name']: " . ${$method}[$name]; } $_GET['hello'] = 'world'; dump_superglobal ('_GET', 'hello'); ?> Prints: 'dumping $_GET['hello']: world'. ---- Manual Page -- http://www.php.net/manual/en/language.variables.variable.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+56090 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+56090&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+56090&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+56090&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+56090&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+56090&report=yes&reason=non-english Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+56090&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+56090&report=yes Search -- http://master.php.net/manage/user-notes.php