Php 导致内部服务器错误的iOS应用程序

我有一个很奇怪的问题。我的应用程序导致我的服务器崩溃

我的iOS应用程序使用TFHPPLE解析服务器上php页面的数据。它从页面上抓取一个名字，并检查还有多少时间用于该活动

 NSString *URL1 = @"http://alefdev.com/tzedakah/current.php";

NSData *webPage = [NSData dataWithContentsOfURL:[NSURL URLWithString:[NSString stringWithFormat: URL1]]];  

TFHpple *xpathParser = [[TFHpple alloc] initWithHTMLData:webPage];    
NSArray *elements = [xpathParser search:@"//name"];  

if([elements count] == 0)
{
    NSLog(@"array is empty");

    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Connection Error" message:@"Cannot connect to server." 
                                                   delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
    [alert show];
    [alert release];
    [adupdate invalidate];
    rc.enabled = YES;
    rc.hidden = NO;
}
else{

    TFHppleElement *element = [elements objectAtIndex:0];
    NSString *ttl = [element content];
    NSLog(@"Charity Name:  %@", ttl); 
    todayscharity.text = ttl;


}    

每隔10秒，它就会调用服务器，获取所需的信息，并将其放入一个数组中。如果阵列为空，则计时器无效，并显示“重新连接”按钮。“重新连接”按钮重新启动计时器

计时器：

-(void)starttimer{

adupdate = [NSTimer scheduledTimerWithTimeInterval:(10.0) target:self      selector:@selector(updateAd) userInfo:nil repeats:YES];

NSLog(@"starttimer called");}

重启功能

- (IBAction)reconnect:(id)sender
{
[self starttimer];
}

如果它失败（空阵列），然后重新启动，它会再次尝试从我的服务器获取信息，但无法。整个站点出现内部服务器错误（500）

php脚本获取当前日期

$today = getdate();

$todayfull = $today['year'].$today['mon'].$today['mday'];

检查日期：

if(($todayfull == 201192)||($todayfull == 201193))

然后回显一些文本，并在匹配日期后运行倒计时功能

function countdown($year, $month, $day, $hour, $minute)
{
$the_countdown_date = mktime($hour, $minute, 0, $month, $day, $year, -1);
$today = time();
$difference = $the_countdown_date - $today;
if ($difference < 0) $difference = 0;

$days_left = floor($difference/60/60/24);
$hours_left = floor(($difference - $days_left*60*60*24)/60/60);
$minutes_left = floor(($difference - $days_left*60*60*24 - $hours_left*60*60)/60);

if($minutes_left < 1)
{
echo "<ends>Less than 1 minute</ends>";
}
else{
echo "<ends>".$days_left." day ".$hours_left." hours ".$minutes_left." minutes</ends>";
}

完整的php脚本是：

    <?php
$today = getdate();
$todayfull = $today['year'].$today['mon'].$today['mday'];
echo "Todayfull: $todayfull";

if(($todayfull == 201192)||($todayfull == 201193))
{
echo "<name>The Lone Soldier Center in memory of Michael Levin</name>
<description>Lone Soldier Center desc.</description>    
";

countdown(2011,9,4,0,0);
}
else if(($todayfull == 201194)||($todayfull == 201195)){

echo "<name>Friends of Itamar</name>
<description>Friends of Itamar desc.</description>  
";

countdown(2011,9,6,0,0);
}

else{
echo "Error:  Could not match dates.";
}
?>

<?php
function countdown($year, $month, $day, $hour, $minute)
{
$the_countdown_date = mktime($hour, $minute, 0, $month, $day, $year, -1);
$today = time();

$difference = $the_countdown_date - $today;
if ($difference < 0) $difference = 0;

$days_left = floor($difference/60/60/24);
$hours_left = floor(($difference - $days_left*60*60*24)/60/60);
$minutes_left = floor(($difference - $days_left*60*60*24 - $hours_left*60*60)/60);

if($minutes_left < 1)
{
echo "<ends>Less than 1 minute</ends>";
}
else{
echo "<ends>".$days_left." day ".$hours_left." hours ".$minutes_left." minutes</ends>";
}

}
?>

---

我的主机（SiteGround）说我只是运行了太多的IMAP进程，但只有当我尝试通过此应用程序重新连接时，该站点才会崩溃。

有两件事正在发生。首先，对服务器的调用太多，因此我认为计时器无效处理不正常。其次，您的PHP脚本没有输出正确的头，因此您会遇到服务器错误。

当您得到500时，服务器日志文件会说什么？另外，你能发布完整的服务器端代码吗？我已经添加了日志条目和php脚本。谢谢你的帮助。计时器不停地响，不停地打新电话。我在应用程序中移动了开始和无效呼叫。我还添加到了php页面的顶部，现在一切似乎都正常了。谢谢

    <?php
$today = getdate();
$todayfull = $today['year'].$today['mon'].$today['mday'];
echo "Todayfull: $todayfull";

if(($todayfull == 201192)||($todayfull == 201193))
{
echo "<name>The Lone Soldier Center in memory of Michael Levin</name>
<description>Lone Soldier Center desc.</description>    
";

countdown(2011,9,4,0,0);
}
else if(($todayfull == 201194)||($todayfull == 201195)){

echo "<name>Friends of Itamar</name>
<description>Friends of Itamar desc.</description>  
";

countdown(2011,9,6,0,0);
}

else{
echo "Error:  Could not match dates.";
}
?>

<?php
function countdown($year, $month, $day, $hour, $minute)
{
$the_countdown_date = mktime($hour, $minute, 0, $month, $day, $year, -1);
$today = time();

$difference = $the_countdown_date - $today;
if ($difference < 0) $difference = 0;

$days_left = floor($difference/60/60/24);
$hours_left = floor(($difference - $days_left*60*60*24)/60/60);
$minutes_left = floor(($difference - $days_left*60*60*24 - $hours_left*60*60)/60);

if($minutes_left < 1)
{
echo "<ends>Less than 1 minute</ends>";
}
else{
echo "<ends>".$days_left." day ".$hours_left." hours ".$minutes_left." minutes</ends>";
}

}
?>