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isFoo(); <?php $foo_app_cookie_val = "foo"; function isFoo() { global $foo_app_cookie_val; echo "in isFoo: '$foo_app_cookie_val'<br/>"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
isFoo();