ช่วยทีครับ function เวลาแบบเฟสบุค error

	function generate_date_today($Format, $Timestamp, $Language = "en", $TimeText = true )
	{
		$SuffixTime = array(
			"th"=>array(
				"time"=>array(
					"Seconds"			=>		" วินาทีที่แล้ว",
					"Minutes"				=>		" นาทีที่แล้ว",
					"Hours"					=>		" ชั่วโมงที่แล้ว"
				),
				"day"=>array(
					"Yesterday"		=>		"เมื่อวาน เวลา ",
					"Monday"				=>		"วันจันทร์ เวลา ",
					"Tuesday"			=>		"วันอังคาร เวลา ",
					"Wednesday"	=>		"วันพุธ เวลา ",
					"Thursday"			=>		"วันพฤหัสบดี เวลา ",
					"Friday"				=>		"วันศุกร์ เวลา ",
					"Saturday"			=>		" วันเสาร์ เวลา ",
					"Sunday"				=>		"วันอาทิตย์ เวลา ",
				)
			),
			"en"=>array(
				"time"=>array(
					"Seconds"				=>		" seconds ago",
					"Minutes"				=>		" minutes ago",
					"Hours"					=>		" hours ago"
				),
				"day"=>array(
					"Yesterday"		=>		"Yesterday at ",
					"Monday"				=>		"Monday at ",
					"Tuesday"			=>		"Tuesday at ",
					"Wednesday"	=>		"Wednesday at ",
					"Thursday"			=>		"Thursday at ",
					"Friday"				=>		"Friday at ",
					"Saturday"			=>		"Saturday at ",
					"Sunday"				=>		"Sunday at ",
				)
			)
		);

		$DateThai = array(
			// Day
			"l" => array(	// Full day
				"Monday"				=>		"วันจันทร์",
				"Tuesday"			=>		"วันอังคาร",
				"Wednesday"	=>		"วันพุธ",
				"Thursday"			=>		"วันพฤหัสบดี",
				"Friday"				=>		"วันศุกร์",
				"Saturday"			=>		"วันวันเสาร์",
				"Sunday"				=>		"วันอาทิตย์",
			),
			"D" => array(	// Abbreviated day
				"Monday"				=>		"จันทร์",
				"Tuesday"			=>		"อังคาร",
				"Wednesday"	=>		"พุธ",
				"Thursday"			=>		"พฤหัส",
				"Friday"				=>		"ศุกร์",
				"Saturday"			=>		"วันเสาร์",
				"Sunday"				=>		"อาทิตย์",
			),
			
			// Month
			"F" => array(	// Full month
				"January"				=>		"มกราคม",
				"February"			=>		"กุมภาพันธ์",
				"March"					=>		"มีนาคม",
				"April"					=>		"เมษายน",
				"May"					=>		"พฤษภาคม",
				"June"					=>		"มิถุนายน",
				"July"						=>		"กรกฎาคม",
				"August"				=>		"สิงหาคม",
				"September"		=>		"กันยายน",
				"October"				=>		"ตุลาคม",
				"November"		=>		"พฤศจิกายน",
				"December"		=>		"ธันวาคม"
			),
			"M" => array(	// Abbreviated month
				"January"				=>		"ม.ค.",
				"February"			=>		"ก.พ.",
				"March"					=>		"มี.ค.",
				"April"					=>		"เม.ย.",
				"May"					=>		"พ.ค.",
				"June"					=>		"มิ.ย.",
				"July"						=>		"ก.ค.",
				"August"				=>		"ส.ค.",
				"September"		=>		"ก.ย.",
				"October"				=>		"ต.ค.",
				"November"		=>		"พ.ย.",
				"December"		=>		"ธ.ค."
			)
		);
		//return date("i:H d-m-Y", $Timestamp) ." | ". date("i:H d-m-Y", time());
		if( date("Ymd", $Timestamp) >= date("Ymd", (time()-345600)) && $TimeText)				// Less than 3 days.
		{
			$TimeStampAgo = (time()-$Timestamp);
			
			if(($TimeStampAgo < 86400))			// Less than 1 day.
			{
				
				$TimeDay = "time";				// Use array time
				
				if($TimeStampAgo < 60)				// Less than 1 minute.
				{
					$Return = (time() - $Timestamp);
					$Values = "Seconds";
				}
				else if($TimeStampAgo < 3600)			// Less than 1 hour.
				{
					$Return = floor( (time() - $Timestamp)/60 );
					$Values = "Minutes";
				}
				else			// Less than 1 day.
				{
					$Return = floor( (time() - $Timestamp)/3600 );
					$Values = "Hours";
				}
				
			}
			else if($TimeStampAgo < 172800)			// Less than 2 day.
			{
				$Return = date("H:i", $Timestamp);
				$TimeDay = "day";
				$Values = "Yesterday";
			}
			else		// More than 2 hours..
			{
				$Return = date("H:i", $Timestamp);
				$TimeDay = "day";
				$Values = date("l", $Timestamp);
			}
			
			if($TimeDay == "time")
				$Return .= $SuffixTime[$Language][$TimeDay][$Values];
			else if($TimeDay == "day")
				$Return = $SuffixTime[$Language][$TimeDay][$Values] . $Return;
			
			return $Return;
		}
		else
		{
			if($Language == "en")
			{
				return date($Format, $Timestamp);
			}
			else if($Language == "th")
			{
				$Format = str_replace("l", "|1|", $Format);
				$Format = str_replace("D", "|2|", $Format);
				$Format = str_replace("F", "|3|", $Format);
				$Format = str_replace("M", "|4|", $Format);
				$Format = str_replace("y", "|x|", $Format);
				$Format = str_replace("Y", "|X|", $Format);

				$DateCache = date($Format, $Timestamp);
				
				$AR1 = array ("", "l", "D", "F", "M");
				$AR2 = array ("", "l", "l", "F", "F");
				
				for($i=1; $i<=4; $i++)
				{
					if(strstr($DateCache, "|". $i ."|"))
					{
						//$Return .= $i;
						
						$split = explode("|". $i ."|", $DateCache); 
						for($j=0; $j<count($split)-1; $j++)
						{
							$StrCache .= $split[$j];
							$StrCache .= $DateThai[$AR1[$i]][date($AR2[$i], $Timestamp)];
						}
						$StrCache .= $split[count($split)-1];
						$DateCache = $StrCache;
						$StrCache = "";
						empty($split);
					}
				}
				
				if(strstr($DateCache, "|x|"))
					{
						
						$split = explode("|x|", $DateCache); 
						
						for($i=0; $i<count($split)-1; $i++)
						{
							$StrCache .= $split[$i];
							$StrCache .= substr((date("Y", $Timestamp)+543), -2);
						}
						$StrCache .= $split[count($split)-1];
						$DateCache = $StrCache;
						$StrCache = "";
						empty($split);
					}

				if(strstr($DateCache, "|X|"))
					{
						
						$split = explode("|X|", $DateCache); 
						
						for($i=0; $i<count($split)-1; $i++)
						{
							$StrCache .= $split[$i];
							$StrCache .= (date("Y", $Timestamp)+543);
						}
						$StrCache .= $split[count($split)-1];
						$DateCache = $StrCache;
						$StrCache = "";
						empty($split);
					}

					$Return = $DateCache;
					
				return $Return;
			}
		}
	}