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@ 2016-06-27T09:35:40Z

<?php

$bar = 42;
function foo() {
    $foo = 'bar';
    global $$foo; 
    var_dump($$foo);
}
foo();

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

28.07 ms | 404 KiB | 5 Q