<?
//attention about this case!
$a=0;
if($a=="some string..."){ /* (...) -> true!
*/ }
if($a==="some string..."){ /* (...) -> false
*/ }
$a=1;
if($a=="some string..."){ /*(...) -> false */
}
if($a==="some string..."){ /*(...) -> false
*/ }
?>
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