CommonClass.php
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<?php
/**
* @class CommonClass
* @brief Collection of some common function
* @details
*/
class CommonClass
{
/*
* @brief generate a random string
*/
public static function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$randomString = '';
for ($i = 0; $i < $length; $i++)
$randomString .= $characters[rand(0, strlen($characters) - 1)];
return $randomString;
}
/*
* @brief timestamp to DDTime conversion
*/
public static function timeStampToDDTime($timeStamp)
{
$mls = intval($timeStamp*1000)-intval($timeStamp)*1000;
$y = date("Y",$timeStamp);
$d = date("z",$timeStamp);
if (strlen($d) == 0)
$d = "000";
else if (strlen($d) == 1)
$d = "00".$d;
else if (strlen($d) == 2)
$d = "0".$d;
$t = date("His",$timeStamp).str_pad($mls, 3, '0', STR_PAD_LEFT);
return $y.$d.$t;
}
public static function isoToTimeStampWithMls($iso)
{
date_default_timezone_set('UTC');
$date = DateTime::createFromFormat('Y-m-d\TH:i:s.v', $iso);
if ($date !== FALSE) {
return round(floatval($date->format('v'))/1000. + $date->getTimestamp(),3);
}
$date = DateTime::createFromFormat('Y-m-d\TH:i:s', $iso);
return round(floatval($date->getTimestamp()),3);
}
public static function getDurationDDTime($strStop, $strStart)
{
$timeStamp = round(CommonClass::isoToTimeStampWithMls($strStop) - CommonClass::isoToTimeStampWithMls($strStart),3);
return CommonClass::timeStampToDDTime($timeStamp);
}
public static function getMsIntFromStrTime($strTime){
$ms = end(explode(".", $strTime));
if(strlen($ms) == 0 || strlen($ms) > 6 )
return 0;
if(intval($ms) >= 1000)
return (int) intval($ms)/1000;
return intval($ms);
}
public static function getMsStrFromStrTime($strTime){
$intMs = CommonClass::getMsIntFromStrTime($strTime);
return str_pad($intMs,3, '0', STR_PAD_LEFT);
}
public static function strTimeToDDTime($strTime)
{
$timeStamp = strtotime($strTime);
$ms = end(explode(".", $strTime));
if(strlen($ms) ==0 || strlen($ms) > 6)
$ms= "000";
$y = date("Y",$timeStamp);
$d = date("z",$timeStamp);
if (strlen($d) == 0)
$d = "000";
else if (strlen($d) == 1)
$d = "00".$d;
else if (strlen($d) == 2)
$d = "0".$d;
$t = date("His",$timeStamp).$ms;
return $y.$d.$t;
}
/*
* @brief DDTime to timestamp conversion
*/
public static function DDTimeToTimeStamp($DDTime)
{
date_default_timezone_set('UTC');
$date = DateTime::createFromFormat('YzHisu', $DDTime);
return strtotime($date->format("Y-m-d\TH:i:s.u"));
}
/*
* @brief DDTime to ISO conversion
*/
public static function DDTimeToIso($DDTime)
{
$date = DateTime::createFromFormat('YzHisu', $DDTime);
return $date->format("Y-m-d\TH:i:s.u");
}
/*
* @brief DDTime to ISO conversion
*/
public static function DDStartIntervalToStopIso($DDStart, $DDInterval)
{
$startStamp = self::DDTimeToTimeStamp($DDStart);
$intStamp = self::DDTimeToTimeStamp($DDInterval);
return date("Y-m-d\TH:i:s.u", $startStamp + $intStamp);
}
public static function rrmdir($dir)
{
if (is_dir($dir))
{
$objects = scandir($dir);
foreach ($objects as $object)
{ // Recursively delete a directory that is not empty and directorys in directory
if ($object != "." && $object != "..")
{ // If object isn't a directory recall recursively this function
if (filetype($dir."/".$object) == "dir")
self::rrmdir($dir."/".$object);
else
unlink($dir."/".$object);
}
}
reset($objects);
rmdir($dir);
}
}
}
?>