关于php获取变量有关问题

关于php获取变量问题

PHP code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->@$judge=$_GET["speed"];if(@$keyboard=$_GET["keyboard"]){$keyboardfinal=100;}if(@$judge==1){if($keyboard<40 && $keyboard>0){@$keyboardfinal=50;    }}if(@$judge==2){if(@$keyboard<50&& $keyboard>0){$keyboardfinal=50;    }}if(@$judge==3 && (@$keyboard<170 && @$keyboard>0)){$keyboardfinal=50;    }

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PHP code

$judge = 1;$keyboard = 35;$keyboardfinal = null;switch($judge){    case 1:        if($keyboard0)            $keyboardfinal=50;        break;    case 2:        if($keyboard0)            $keyboardfinal=50;        break;    case 3 &amp;&amp; ($keyboard0):        $keyboardfinal=50;        break;}echo "keyboardfinal--&gt;&gt;".$keyboardfinal;#50<br><font color="#e78608">------解决方案--------------------</font><br>

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PHP code
@$judge=$_GET["speed"];
if(@$keyboard=$_GET["keyboard"]){
$keyboardfinal=100;
}
if(@$judge==1){
if($keyboard0){
@$keyboardfinal=50;
}
}
if(@$judge==2){
if(@$keyb……