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Notice: Uninitialized string offset: 0 in D:\Program Files\wamp\www\antiyurl\pChart\pData.class on line 127

Notice: Uninitialized string offset: 1 in D:\Program Files\wamp\www\antiyurl\pChart\pData.class on line 127

ÏÂÃæÊÇpData.classµÄµÚ120µ½147ÐеĴúÂë
  function AddPoint($Value,$Serie="Serie1",$Description="") // line 120
  {
  if (is_array($Value) && count($Value) == 1)
  $Value = $Value[0];

  $ID = 0;
  for($i=0;$i<=count($this->Data);$i++) 
  { if(isset($this->Data[$i][$Serie])) { $ID = $i+1; } } // line 127

  if ( count($Value) == 1 )
  {
  $this->Data[$ID][$Serie] = $Value;
  if ( $Description != "" )
  $this->Data[$ID]["Name"] = $Description;
  elseif (!isset($this->Data[$ID]["Name"]))
  $this->Data[$ID]["Name"] = $ID;
  }
  else
  {
  foreach($Value as $key => $Val)
  {
  $this->Data[$ID][$Serie] = $Val;
  if (!isset($this->Data[$ID]["Name"]))
  $this->Data[$ID]["N