Aaron Jorbin 385b98d828 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



git-svn-id: https://develop.svn.wordpress.org/trunk@33427 602fd350-edb4-49c9-b593-d223f7449a82
2015-07-26 18:03:58 +00:00
2015-07-26 18:03:58 +00:00
2015-03-13 18:11:33 +00:00
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