使用字符串进行大小写/切换 - Case/Switch using Strings

我有这个天气脚本，我试图为每个天气条件（情况）显示不同的图像，如果是白天或晚上，图像也会不同。

以下是我正在做的。。。

获取XML信息。进入.PHP

    <?php
    $CapDCityANDState = "Atlanta, GA";
    $url="https://www.google.com/ig/api?weather=$CapDCityANDState&hl=en&referrer=googlecalendar";
    $xml = simplexml_load_file($url);
    //print_r($xml);
    //echo "Test: " . $xml->current_conditions->temp_f['data'];
    $DayNow = date(D);
    $DayTomorrow = date('D', strtotime('+1 day'));
    $DayAfterTomorrow = date('D', strtotime('+2 day'));
    $DayAfterAfterTomorrow = date('D', strtotime('+3 day'));

    $CurrentTxt = $xml->weather->current_conditions->condition->attributes()->data;
    $CurrentTemp = $xml->weather->current_conditions->temp_f->attributes()->data;
    //echo $CurrentTemp[0];
    echo("<BR><BR>");
    $DayOneLow = $xml->weather->forecast_conditions[0]->low->attributes()->data;
    $DayOneHi = $xml->weather->forecast_conditions[0]->high->attributes()->data;
    $DayOneTxt = $xml->weather->forecast_conditions[0]->condition->attributes()->data;
    //echo $DayOneLow[0];
    $DayTwoLow = $xml->weather->forecast_conditions[1]->low->attributes()->data;
    $DayTwoHi = $xml->weather->forecast_conditions[1]->high->attributes()->data;
    $DayTwoTxt = $xml->weather->forecast_conditions[1]->condition->attributes()->data;
    //echo $DayTwoLow[0];

    $DayTriLow = $xml->weather->forecast_conditions[2]->low->attributes()->data;
    $DayTriHi = $xml->weather->forecast_conditions[2]->high->attributes()->data;
    $DayTriTxt = $xml->weather->forecast_conditions[2]->condition->attributes()->data;
    //echo $DayTriLow[0];

    $DayFourLow = $xml->weather->forecast_conditions[3]->low->attributes()->data;
    $DayFourHi = $xml->weather->forecast_conditions[3]->high->attributes()->data;
    $DayFourTxt = $xml->weather->forecast_conditions[3]->condition->attributes()->data;
    //echo $DayFourLow[0];

    ?>

显示天气预报信息

<div>Currently: <?php echo $CurrentTemp[0]; ?>&deg; - <?php echo $CurrentTxt[0]; ?> - H: <?php echo $DayOneHi[0]; ?>&deg; L: <?php echo $DayOneLow[0]; ?>&deg; - Rest of the Day: <?php echo $DayOneTxt[0]; ?></div>
            <div><?php echo($DayTomorrow);?>: <?php echo $DayTwoHi[0]; ?>&deg;/<?php echo $DayTwoLow[0]; ?>&deg; - <?php echo $DayTwoTxt[0]; ?></div>
            <div><?php echo($DayAfterTomorrow);?>: <?php echo $DayTriHi[0]; ?>&deg;/<?php echo $DayTriLow[0]; ?>&deg; - <?php echo $DayTriTxt[0]; ?></div>
            <div><?php echo($DayAfterAfterTomorrow);?>: <?php echo $DayFourHi[0]; ?>&deg;/<?php echo $DayFourLow[0]; ?>&deg; - <?php echo $DayFourTxt[0]; ?></div>
<br>

找出当前是白天还是白天

<?php
$img = time() > $sunriseTime && time() < $sunsetTime ? 'day' : 'nite';
// $img <-- will say 'day' if it's day and 'nite' if its nite
?>

根据白天或白天获取要显示的图像，同时获取天气条件文本，并将图像基于这两个因素

<?php
if ($img == "day"){
// START OF DAY
switch ($DayOneTxt[0]) {
case "CLEAR":
    $WeatherIMG = "1.png";
    break;

case "MOSTLY CLOUDY":
    $WeatherIMG = "4.png";
    break;

case "SUNNY":
    $WeatherIMG = "2.png";
    break;

case "MOSTLY SUNNY":
    $WeatherIMG = "2.png";
    break;

case "PARTLY CLOUDY":
    $WeatherIMG = "3.png";
    break;

case "PARTLY SUNNY":
    $WeatherIMG = "3.png";
    break;

case "HAZE":
    $WeatherIMG = "5.png";
    break;

case "DUST":
    $WeatherIMG = "5.png";
    break;

case "FOG":
    $WeatherIMG = "5.png";
    break;

case "CHANCE OF STORM":
    $WeatherIMG = "6.png";
    break;

case "OVERCAST":
    $WeatherIMG = "8.png";
    break;

case "CHANCE OF RAIN":
    $WeatherIMG = "8.png";
    break;

case "CLOUDY":
    $WeatherIMG = "11.png";
    break;

case "RAIN":
    $WeatherIMG = "12.png";
    break;

case "STORM":
    $WeatherIMG = "12.png";
    break;

case "MIST":
    $WeatherIMG = "14.png";
    break;

case "LIGHT RAIN":
    $WeatherIMG = "14.png";
    break;

case "SCATTERED SHOWERS":
    $WeatherIMG = "14.png";
    break;

case "SHOWERS":
    $WeatherIMG = "14.png";
    break;

case "THUNDERSTORM":
    $WeatherIMG = "15.png";
    break;

case "SCATTERED THUNDERSTORMS":
    $WeatherIMG = "16.png";
    break;

case "CHANCE OF TSTORM":
    $WeatherIMG = "17.png";
    break;

case "FLURRIES":
    $WeatherIMG = "21.png";
    break;

case "LIGHT SNOW":
    $WeatherIMG = "21.png";
    break;

case "SCATTERED SNOW SHOWERS":
    $WeatherIMG = "21.png";
    break;

case "SNOW SHOWERS":
    $WeatherIMG = "22.png";
    break;

case "CHANCE OF SNOW":
    $WeatherIMG = "23.png";
    break;

case "SNOW":
    $WeatherIMG = "27.png";
    break;

case "RAIN AND SNOW":
    $WeatherIMG = "29.png";
    break;

case "ICE/SNOW":
    $WeatherIMG = "29.png";
    break;

case "SLEET":
    $WeatherIMG = "29.png";
    break;

case "ICY":
    $WeatherIMG = "31.png";
    break;

case "FREEZING DRIZZLE":
    $WeatherIMG = "31.png";
    break;

case "SMOKE":
    $WeatherIMG = "32.png";
    break;

case "WINDY":
    $WeatherIMG = "32.png";
    break;
}
// END OF DAY
} else {
// START OF NITE
switch ($DayOneTxt[0]) {
case "PARTLY SUNNY":
    $WeatherIMG = "33.png";
    break;
case "SCATTERED THUNDERSTORMS":
    $WeatherIMG = "42.png";
    break;
case "SHOWERS":
    $WeatherIMG = "40.png";
    break;
case "SCATTERED SHOWERS":
    $WeatherIMG = "39.png";
    break;
case "RAIN AND SNOW":
    $WeatherIMG = "29.png";
    break;
case "OVERCAST":
    $WeatherIMG = "8.png";
    break;
case "LIGHT SNOW":
    $WeatherIMG = "22.png";
    break;
case "FREEZING DRIZZLE":
    $WeatherIMG = "31.png";
    break;
case "CHANCE OF RAIN":
    $WeatherIMG = "39.png";
    break;
case "SUNNY":
    $WeatherIMG = "33.png";
    break;
case "CLEAR":
    $WeatherIMG = "33.png";
    break;
case "MOSTLY SUNNY":
    $WeatherIMG = "34.png";
    break;
case "PARTLY CLOUDY":
    $WeatherIMG = "35.png";
    break;
case "MOSTLY CLOUDY":
    $WeatherIMG = "36.png";
    break;
case "CHANCE OF STORM":
    $WeatherIMG = "42.png";
    break;
case "RAIN":
    $WeatherIMG = "40.png";
    break;
case "CHANCE OF SNOW":
    $WeatherIMG = "44.png";
    break;
case "CLOUDY":
    $WeatherIMG = "36.png";
    break;
case "MIST":
    $WeatherIMG = "39.png";
    break;
case "STORM":
    $WeatherIMG = "40.png";
    break;
case "THUNDERSTORM":
    $WeatherIMG = "41.png";
    break;
case "CHANCE OF TSTORM":
    $WeatherIMG = "42.png";
    break;
case "SLEET":
    $WeatherIMG = "29.png";
    break;
case "SNOW":
    $WeatherIMG = "43.png";
    break;
case "ICY":
    $WeatherIMG = "31.png";
    break;
case "DUST":
    $WeatherIMG = "32.png";
    break;
case "FOG":
    $WeatherIMG = "32.png";
    break;
case "SMOKE":
    $WeatherIMG = "32.png";
    break;
case "HAZE":
    $WeatherIMG = "32.png";
    break;
case "FLURRIES":
    $WeatherIMG = "25.png";
    break;
case "LIGHT RAIN":
    $WeatherIMG = "39.png";
    break;
case "SNOW SHOWERS":
    $WeatherIMG = "44.png";
    break;
case "ICE/SNOW":
    $WeatherIMG = "43.png";
    break;
case "WINDY":
    $WeatherIMG = "32.png";
    break;
case "SCATTERED SNOW SHOWERS":
    $WeatherIMG = "43.png";
    break;
}
// END OF NITE
}
    ?>

显示要使用的图像名称例如"32.png"

<?php echo($WeatherIMG); ?>

图像总是显示"1.png"，这是错误的：（

<?php
$txtDay = Array( "clear"=>1, "sunny"=>2, "partly cloudy"=>3, "mostly cloudy"=>4, "haze"=>5, "fog"=>5, "dust"=>5, ............. "scatter snow showers"=>43);
$txtNight = Array( "clear"=>1, "sunny"=>2, "partly cloudy"=>3, "mostly cloudy"=>4, "haze"=>5, "fog"=>5, "dust"=>5, ............. "scatter snow showers"=>43);
if ($img == "day"){
    $imgWeather = $txtDay[{$DayOneTxt[0]}] . ".png";
} else {
    $imgWeather = $txtNight[{$DayOneTxt[0]}] . ".png";
}
?>