Aaron Jorbin 894e847238 php7.3 compatibility: Fix compact throwing notices for multisite
In PHP 7.3, the compact() function has been changed to issue an E_NOTICE level error if a passed string refers to an unset variable. In previous versions of PHP, this notice was silently skipped. The full RFC can be viewed here: https://wiki.php.net/rfc/compact

By initializing these variables, they can be compacted.

Previously [43819].
See #44416.
Props desrosj.



git-svn-id: https://develop.svn.wordpress.org/branches/5.0@43832 602fd350-edb4-49c9-b593-d223f7449a82
2018-10-26 20:16:22 +00:00
2018-10-09 02:51:32 +00:00
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