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<?php $nullvar = null; $nullstr = ''; $notnull = 'foo'; $unset = 'something'; unset($unset); function quiet_dump($v) { ob_start(); var_dump($v); return ob_get_clean(); } $results = array( "==Results==\n" , '$nullvar = ' , quiet_dump(isset($nullvar), true) , '$nullstr = ' , quiet_dump(isset($nullstr), true) , '$notnull = ' , quiet_dump(isset($notnull), true) , '$unset = ' , quiet_dump(isset($unset), true) ); echo implode(" ",$results);

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