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<?php
$a = 1;
$b = 2;
$c = &$a;
$c = 2;
if(($c = 3) || ($b = $a)){
        $a++;
        $b++;
        $c++;
}
printf("%d,%d,%x\n",$a,$b,$c);
if( ($c = 3) | ($b = $a)){
        $a++;$b++;
}
printf("%d,%d,%x\n",$a,$b,$c);
?>
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