Aaron Jorbin d8eaaf66df Use explicit variable variable syntax ...

PHP7 introduces a backwards compatable change to variable varibale syntax that requires us to use curly brackets to maintain the syntax between php5 and php7.  For more info, see https://wiki.php.net/rfc/uniform_variable_syntax#semantic_differences_in_existing_syntax for the semantic differences.  

Props ocean90
Fixes #31982


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2015-07-26 18:04:26 +00:00

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