php中foreach和list循环语句实例

    $price=array('apple'=>10,'orange'=>20,'banner'=>30);
    foreach($price as $key=>$value)
    {
        echo $key.'=>'.$value.'
';
    }
    echo '
';
?>

    $shuiguo=array('apple'=>10,'orange'=>20,'banner'=>30);
   
    while(list($changpin,$jiage)=each($shuiguo))
    {
        echo "$changpin=>$jiage".'
';
    }
?>

    $price=array('apple'=>10,'orange'=>20,'banner'=>30);
    foreach($price as $key=>$value)
    {
        echo $key.'=>'.$value.'
';
    }
    echo '
';
    reset($price);
    while(list($key,$value)=each($price))
    {
        echo "$key=>$value","
";
    }
?>