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Do you like the security of register_globals being off, but hate referring to the variables in the superglobal arrays? if so, you probably do something like: <? //a if(isset($_GET['foo'])) { $foo = $_GET['foo']]; ?> Or worse still: <? //b $foo = $_GET['foo']; ?> ... just so that you can use $foo instead of $_GET['foo']. The first one is quite labour instensive, and the second *works*, but will cause PHP to spit out a warning message with some error reporting settings. I wrote a quick function to pull all get (in this case), post, cookie, session, etc variables in as regular $foo variables. <? //c function getVars() { $vars = func_get_args(); foreach($vars as $k => $v) { if(isset($_GET[$v])) { $GLOBALS[$v] = $_GET[$v]; } } } ?> Usage: <? //d getVars('id','page','action'); ?> This will look for $_GET['id'], $_GET['page'], $_GET['action'], and if they are set, the corresponding $id, $page and $action will be set. Other than cutting down on lines of code as per the code snippet "a" above, and preventing the errors that may happen with code snippet "b", it's easy to quickly see which variables you're expecting on each page, and for scripts which SOMETIMES expect some variables, the if(isset(...)) part of the function will make sure it's all error/warning free. | ||||||||
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