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@ 2013-10-21T20:07:39Z

<?php

function retVal()
{
    return $GLOBALS['foo'];
}

function & retRef()
{
    return $GLOBALS['foo'];
}


$foo = 'init';
$bar = retRef();
$bar = 'bar';
var_dump($foo, $bar);

Output
Performance
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References
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var_dump: documentation ( source)

preferences:dark modelive preview

40.12 ms | 402 KiB | 5 Q