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@ 2014-03-06T07:40:13Z

<?php
define('CONSTANT',1);
define('_CONSTANT',0);
define('EMPTY','');

if(!empty('EMPTY'))
{
    if(!(boolean) _CONSTANT)
    {
        print "one";
    }
}

Output
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define: documentation ( source)

preferences:dark modelive preview

45.6 ms | 402 KiB | 5 Q