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<?php
function is_utf8($str)
{
$c=0; $b=0;
$bits=0;
$len=strlen($str);
for($i=0; $i<$len; $i++)
{
$c=ord($str[$i]);
if($c > 128)
{
if(($c >= 254)) return false;
elseif($c >= 252) $bits=6;
elseif($c >= 248) $bits=5;
elseif($c >= 240) $bits=4;
elseif($c >= 224) $bits=3;
elseif($c >= 192) $bits=2;
else return false;
if(($i+$bits) > $len) return false;
while($bits > 1)
{
$i++;
$b=ord($str[$i]);
if($b < 128 || $b > 191) return false;
$bits--;
}
}
}
return true;
}
function php2js ($var)
{
if (is_array($var))
{
$array = array();
foreach ($var as $a_var)
$array[] = php2js($a_var);
return str_replace("\"", "'", join(",", $array));
}
elseif (is_bool($var))
return ($var ? "true" : "false");
elseif (is_int($var) || is_integer($var) || is_double($var) || is_float($var))
return $var;
elseif (is_string($var))
return "\"" .$var . "\"";
else
return false;
}
function sec2hms ($sec, $padHours = false)
{
// holds formatted string
$hms = "";
// there are 3600 seconds in an hour, so if we
// divide total seconds by 3600 and throw away
// the remainder, we've got the number of hours
$hours = intval(intval($sec) / 3600);
// add to $hms, with a leading 0 if asked for
$hms .= ($padHours)
? str_pad($hours, 2, "0", STR_PAD_LEFT). ':'
: $hours. ':';
// dividing the total seconds by 60 will give us
// the number of minutes, but we're interested in
// minutes past the hour: to get that, we need to
// divide by 60 again and keep the remainder
$minutes = intval(($sec / 60) % 60);
// then add to $hms (with a leading 0 if needed)
$hms .= str_pad($minutes, 2, "0", STR_PAD_LEFT). ':';
// seconds are simple - just divide the total
// seconds by 60 and keep the remainder
$seconds = intval($sec % 60);
// add to $hms, again with a leading 0 if needed
$hms .= str_pad($seconds, 2, "0", STR_PAD_LEFT);
// done!
return $hms;
}
function isurlvalid($url, $type)
{
global $vdrstreamdev, $vdrrecpath, $videosource, $audiosource;
switch ($type)
{
case 'tv':
// Check that this is a correct URL
if (strncmp($vdrstreamdev, $url, strlen($vdrstreamdev)))
return 0;
break;
case 'rec':
if (strncmp($vdrrecpath, $url, strlen($vdrrecpath)))
return 0;
// Dont allow ..
if (preg_match("$\.\.$", $url))
return 0;
break;
case 'media';
case 'vid':
if (strncmp($videosource, $url, strlen($videosource)) && strncmp($audiosource, $url, strlen($audiosource)))
return 0;
// Dont allow ..
if (preg_match("$\.\.$", $url))
return 0;
break;
default:
return 0;
}
return 1;
}
?>
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