From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Fri, 12 Apr 2013 09:46:40 +0000 (+0200)
Subject: merged branch drewjw81/extension_global_fix (PR #1053)
X-Git-Url: http://git.silmor.de/gitweb/?a=commitdiff_plain;h=8bbbecd08e00615ad90b46ef7486abdfab911da9;p=konrad%2Ftwig.git

merged branch drewjw81/extension_global_fix (PR #1053)

This PR was squashed before being merged into the master branch (closes #1053).

Discussion
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Prevent extensions from clobbering all globals.

It's possible for a poorly written extension to destroy all global variables by returning nothing.  This prevents that and throws an E_WARNING to notify the developer.

Commits
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7c8acf7 Prevent extensions from clobbering all globals.
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8bbbecd08e00615ad90b46ef7486abdfab911da9