$from_time and clock<$to_time ");
$count=DBget_field($result,0,0);
if($count>0)
{
$nodata=0;
$minX=DBget_field($result,0,1);
$maxX=DBget_field($result,0,2);
$minY=DBget_field($result,0,3);
$maxY=DBget_field($result,0,4);
}
else
{
unset($maxX);
unset($maxY);
unset($minX);
unset($minY);
}
// echo "MIN/MAX:",$minX," - ",$maxX," - ",$minY," - ",$maxY,"
";
if(isset($minX)&&($minX!=$maxX)&&($minY!=$maxY))
{
$result=DBselect("select clock,value from history where itemid=$itemid and clock>$from_time and clock<$to_time order by clock");
for($i=0;$i";
ImageLine($im,$x1+$shiftX,$y1+$shiftY,$x2+$shiftX,$y2+$shiftY,$green);
}
}
else
{
if(isset($minX))
{
ImageLine($im,$shiftX,$shiftY+$sizeY/2,$sizeX+$shiftX,$shiftY+$sizeY/2,$green);
}
}
if($nodata == 0)
{
for($i=0;$i<=$sizeY;$i+=50)
{
ImageString($im, 1, $sizeX+5+$shiftX, $sizeY-$i-4+$shiftY, $i*($maxY-$minY)/$sizeY+$minY , $red);
}
ImageString($im, 1,10, $sizeY+$shiftY+5, date("dS of F Y h:i:s A",$minX) , $red);
ImageString($im, 1,$sizeX+$shiftX-168,$sizeY+$shiftY+5, date("dS of F Y h:i:s A",$maxX) , $red);
}
else
{
ImageString($im, 2,$sizeX/2-50, $sizeY+$shiftY+3, "NO DATA FOUND FOR THIS PERIOD" , $red);
}
ImageStringUp($im,0,2*$shiftX+$sizeX+40,$sizeY+2*$shiftY, "http://zabbix.sourceforge.net", $gray);
ImagePng($im);
ImageDestroy($im);
?>