how do you enable register_globals_gpc and disable register_globals. i thought register_globals = On was needed to turn on register_globals_gpc. i also believe register_globals_gpc will be removed from php6
I believe you are confused, as the only variables in PHP you can be referring to are register_globals and magic_quotes_gpc. There are no variables in PHP by the names you specified. As for deprecation and removal, the only one out of the two being deprecated and removed is magic_quotes_gpc, which is deprecated as of PHP 5.3.0, and removed in PHP 6.0.0.
You should not turn on register_globals, as it is required to remain off for use of Dolphin.
As for magic_quotes_gpc, you can enable this by editing your server's php.ini file with the value:
magic_quotes_gpc=On
If you do not have access to your server's php.ini file, you can apply the value by entering it into a text document, and saving it as php.ini, where you can upload it to the root directory of your Dolphin web site.
You can also do this by adding the following to your .htaccess file, which is located in the root directory of your Dolphin web site:
php_flag magic_quotes_gpc on
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