224 lines
7.6 KiB
PHP
224 lines
7.6 KiB
PHP
<?
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// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ALNext
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//
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// Author: Christian Mähler
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// Version: 9
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// Last update: January 2003
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//
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// Base library for map&guide next search functionality.
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// Please note that only English speaking properties are used
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// there is no support for German speaking properties as
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// known by the original COM objects under Windows
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//
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// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//++++++++++ INCLUDE ++++++++++++++++++++++++++//"
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@include_once(dirname(__FILE__)."/ALBasic.inc.php");
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//+++++++++++++++++++++++++++++++++++++++++++++//"
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class ALNext extends ALBasic
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{
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// public variables for reading and writing data
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var $Filter1; // filter for address layer search
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var $Filter2; // filter for address layer search
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var $Filter3; // filter for address layer search
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var $Filter4; // filter for address layer search
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var $Filter5; // filter for address layer search
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var $ShowInfo; // show CST entries in the result
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var $Response; // response string for error messages
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var $RowCount; // count nunber of results (CST)
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var $ShowCompleteRadius; // show the search radius as map radius and not the radius defined by the result
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var $SearchByCoord; // search string for direct search around coordinates
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var $SearchByTown; // search string for search around a city with geocoding
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var $Customers; // define list of address layer to be searched
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var $Filter; // add filter to search
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var $ReturnFields; // define returnfields
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var $ShowCompleteRadius; // show complete radius of search
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var $AddToMap; // add additional info to map?
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var $ShowInfo; //
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var $GraphFilter; // use this grahical filter for search
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var $ExportFile; // define an export file where the result is written to as CSV
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var $NextID; // define the NextID returned after a radius search for fast zomming
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var $ShowInitRect; // add the variable SHOWINITRECT to the request string
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var $Logicalrect; // logicalrect to draw
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var $ShowSpiderLines; // show spiderlines from center to hits
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var $TrafficInfoIDs; // show these traffic info ID
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var $VisibleCustomers; // list of layers to show
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var $ShowCustomers; // show additional layer ?
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var $UsePin; // show the pin in the map after a radius search
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var $FileName; // define filename for map
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// private variables
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var $NR_NEXTREQUEST; // internal service number
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var $temp_row; // needed by ReadRow and FieldValue
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// Constructor
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// set all parameters, necessary for geocoding. Contructor sets default
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// parameter
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function ALNext()
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{
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$this->ALBasic();
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$this->NR_NEXTREQUEST=1; // don't change this value!!
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$this->Customers=""; // set default values
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$this->GraphFilter="";
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$this->AddToMap=false;
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$this->ShowInfo=true;
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$this->RowCount=0;
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$this->Log_to_file("ALNext.ALNext: Constructor passed successfully");
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}
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// SetOrder
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// build request string depending on internal values as ACTION and
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// based on the request as defined by the user
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function SetOrder()
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{
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$this->BPRequest["SERVER"]["ACTION"] = $this->NR_NEXTREQUEST;
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$this->BPRequest["CLIENT"]["MAPSBYSTREAM"] = (($this->BPMapsByStream) ? "TRUE" : "FALSE");
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$this->BPRequest["CLIENT"]["REQUEST"] = "TRUE";
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$this->BPRequest["CLIENT"]["CUSTOMERS"] = $this->Customers;
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$this->BPRequest["CLIENT"]["GRAPHFILTER"] = $this->GraphFilter;
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if($this->SearchByCoord!="")
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$this->BPRequest["CLIENT"]["SEARCHBYCOORD"]=$this->SearchByCoord;
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else
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$this->BPRequest["CLIENT"]["SEARCHBYTOWN"]=$this->SearchByTown;
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$this->BPRequest["CLIENT"][$this->Customers."RETURNFIELDS"] = $this->ReturnFields;
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$this->BPRequest["CLIENT"]["ADDTOMAP"] = (($this->AddToMap) ? "TRUE" : "FALSE");;
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if($this->Filter1!="") $this->BPRequest["CLIENT"][$this->Customers."FILTER1"]==$this->Filter1;
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if($this->Filter2!="") $this->BPRequest["CLIENT"][$this->Customers."FILTER2"]==$this->Filter2;
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if($this->Filter3!="") $this->BPRequest["CLIENT"][$this->Customers."FILTER3"]==$this->Filter3;
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if($this->Filter4!="") $this->BPRequest["CLIENT"][$this->Customers."FILTER4"]==$this->Filter4;
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if($this->Filter5!="") $this->BPRequest["CLIENT"][$this->Customers."FILTER5"]==$this->Filter5;
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$this->BPRequest["CLIENT"]["SHOWINFO"] = (($this->ShowInfo) ? "TRUE" : "FALSE");
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$this->Log_to_file("ALNext.SetOrder: Passed successfully");
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}
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ReadRow
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// read row with number RowNum into internal object cache
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// values can be read by FieldValue
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function ReadRow($RowNum)
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{
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if($RowNum<0 || $RowNum>$this->RowCount || !$this->ShowInfo)
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{
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$this->Log_to_file("ALNext.ReadRow: row number too large or no CST available ");
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return "";
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}
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$this->temp_row=$this->BFGetParam(0,"SERVER","CST".$RowNum,"");
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return $this->temp_row;
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}
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// FieldValue
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// read from current row (defined by ReadRow) the content of the
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// column with the name fName. The list of fName was defined by ReturnFields
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function FieldValue($fName)
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{
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if($fName=="" || !$this->ShowInfo || $this->temp_row=="")
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{
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$this->Log_to_file("ALNext.FieldValue: field name is empty or no CST available or no row read by ReadRow() ");
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return "";
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}
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$temp_col=explode(",",$this->ReturnFields);
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$i=0;
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$col_num=-1;
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foreach($temp_col as $key => $value)
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if($key==$fName)
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$col_num=$i;
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else
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$i++;
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if ($col_num==-1)
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return "";
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else
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{
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$temp_row_content=explode(",",$temp_row);
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return $temp_row_content[$col_num];
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}
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return "";
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}
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// CheckRes
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// check how many hits were found and build answer accordingly
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function CheckRes()
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{
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if ($this->BFGetParam(0,strtoupper($this->Customers),"NUMCST","")=="" )
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{
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$this->Response = "Next search error";
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$this->Log_to_file("ALNext.NextRequest: no NUMCST in result ");
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return $this->BPStat_Error;
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}
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else
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return $this->BPStat_Success;
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}
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// Execute
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// send next search request to server. the next search is based on an
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// address layer known by the server
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function NextSearch()
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{
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return $this->Execute();
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}
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function Execute()
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{
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// check parameter
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if (($this->BPStat_Error == $this->BFCheckParam($this->NR_NEXTREQUEST)) || ($this->BPMapsByStream && $this->BPStreamDirectory==''))
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{
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$this->Log_to_file("ALNext.NextRequest: Too less parameters ");
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return $this->BPStat_Error;
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}
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// set request type
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$this->SetOrder();
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// build request
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$reqerr=$request = $this->BFBuildOrder();
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// send request to server
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$answerlength=$this->BFWriteOrder($request);
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// if length is less than 45 byte, we had an error
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if($answerlength>45)
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{
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// receive answer
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$reqerr=$this->BFReadALSAnswer($this->NR_NEXTREQUEST);
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$this->RowCount=intval($this->BFGetParam(0,strtoupper($this->Customers),"NUMCST","0"));
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$this->Logicalrect=$this->BFGetParam(0,"SERVER","LOGICALRECT","");
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// return result code
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// count number of hits
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return $this->CheckRes();
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}
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else
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return $this->BPStat_Error;
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}
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} //end of class definition
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?>
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