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有人可以解释为什么在网页停止工作，如果我加入麻烦与时区显示当前时间
<?php
date_default_timezone_set("$tidszon");
echo "Klockan är " . date("h:i:sa")" i tidszonen du angav.";
?>
的代码的显示输入部分？一切工作正常，但如果我补充一点，页面甚而不加载..
这是默认的代码，而无需添加时区：
<?php
// define variables and set to empty values
$y1 = $m1 = $d1= $y2 = $m2 = $d2= $tidszon = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$y1 = test_input($_POST["y1"]);
$m1 = test_input($_POST["m1"]);
$d1 = test_input($_POST["d1"]);
$y2 = test_input($_POST["y2"]);
$m2 = test_input($_POST["m2"]);
$d2 = test_input($_POST["d2"]);
$tidszon = test_input($_POST["tidszon"]);
}
function test_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>
<h2>Lookup how many days between which dates?</h2>
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
<br><br>
Date 1:
<br>
<select name="y1" size="4">
<option value="2001">2001</option>
<option value="2002">2002</option>
<option value="2003">2003</option>
<option value="2004">2004</option>
<option value="2005">2005</option>
<option value="2006">2006</option>
<option value="2007">2007</option>
<option value="2008">2008</option>
<option value="2009">2009</option>
<option value="2010">2010</option>
<option value="2011">2011</option>
<option value="2012">2012</option>
<option value="2013">2013</option>
<option value="2014">2014</option>
</select>
<select name="m1" size="4">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">Mars</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="2006">June</option>
<option value="2007">July</option>
<option value="2008">August</option>
<option value="2009">September</option>
<option value="2010">October</option>
<option value="2011">November</option>
<option value="2012">December</option>
</select>
<select name="d1" size="4">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
</select>
<br>
<br>
Date 2:
<br>
<select name="y2" size="4">
<option value="2001">2001</option>
<option value="2002">2002</option>
<option value="2003">2003</option>
<option value="2004">2004</option>
<option value="2005">2005</option>
<option value="2006">2006</option>
<option value="2007">2007</option>
<option value="2008">2008</option>
<option value="2009">2009</option>
<option value="2010">2010</option>
<option value="2011">2011</option>
<option value="2012">2012</option>
<option value="2013">2013</option>
<option value="2014">2014</option>
</select>
<select name="m2" size="4">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">Mars</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="2006">June</option>
<option value="2007">July</option>
<option value="2008">August</option>
<option value="2009">September</option>
<option value="2010">October</option>
<option value="2011">November</option>
<option value="2012">December</option>
</select>
<select name="d2" size="4">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
</select>
<br><br>
Timezone:<input type="text" name="tidszon">
<br><br>
<input type="submit" name="submit" value="Submit">
</form>
<?php
echo "<h2>Your Input:</h2>";
echo "<br>";
echo "<br>";
echo "Date 1: ";
echo $y1;
echo "/";
echo $m1;
echo "/";
echo $d1;
echo "<br>";
echo "Date 2: ";
echo $y2;
echo "/";
echo $m2;
echo "/";
echo $d2;
echo "<br>";
echo "<br>";
echo "Timezone: ";
echo $tidszon;
echo "<br>";
echo "<br>";
echo "<br>";
?>
<br>
<br>
<?php
require_once 'Date.php';
try {
// create two Pos_Date objects new
$dat1 = new Pos_Date();
$dat2 = new Pos_Date();
// calculate the number of days
$dat1->setDate($y1,$m1,$d1);
$dat2->setDate($y2,$m2,$d2);
$diff = Pos_Date::dateDiff($dat1, $dat2);
$unit = abs($diff) > 1 ? 'days' : 'day';
echo "There is " . abs($diff) . " $unit between the dates";
} catch (Exception $e) {
echo $e;
}
?>
</body>
</html>
将错误报告。在date（）'：'echo“Klockan ä r”之后，你至少遗漏了'.'。日期（“h：i：sa”）。 “我tidzonzon du angav。” – 2014-09-26 08:55:32
唉，那是我正在寻找的错误，谢谢！ – Orbal 2014-09-26 09:04:12