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--- uphp:uphp_special_variables [2018/04/05 09:19]
admin
+++ uphp:uphp_special_variables [2021/09/13 05:57] (current)
@@ Line 11: / Line 11: @@
 ''**$_GLOBALS**'' - System-wide global variables that can be used as a shared memory area between scripts. This is only cleared upon a reboot.
-//Note:  This is different from the PHP $GLOBALS -// this is truly global and accessible across scripts.  $GLOBALS does not exist in uPHP - instead use $_GLOBALS['key_name'] to reference a global script variable.
+Note:  //This is different from the PHP $GLOBALS -// this is truly global and accessible across scripts.  $GLOBALS does not exist in uPHP - instead use $_GLOBALS['key_name'] to reference a global script variable.
-//Tip: If you wish to view the global variables in the system for debugging purposes you can execute the /scripts/tests/globals.cgi script.//
+Tip:  If you wish to view the global variables in the system you can execute /scripts/tests/globals.cgi. This simple script shows the entire contents of the $_GLOBALS array, which is useful for learning about the [[hardware:wattmons|Wattmon]] system for customizing, programming and debugging purposes.
 ''**$_SESSION**'' - Variables defined here are persistent for any web session using a SESSID cookie

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