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@ 2015-09-24T17:27:42Z

<?php

function foo() { var_dump(isset($GLOBALS['test'])); }
function bar() { global $test; var_dump(isset($test)); }

foo();
bar();
foo();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

98.46 ms | 1718 KiB | 5 Q