```
A PHP Error was encountered
Severity: Notice

Message: Uninitialized string offset: 0

Filename: index.php

Line Number: 154

```

here is the code

```
if ( $stCurlHandle !== NULL )
{
    curl_setopt($stCurlHandle, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($stCurlHandle, CURLOPT_TIMEOUT, 12);
    $sResult = @curl_exec($stCurlHandle); 
    if ($sResult[0]=="O") //line number 154
     {$sResult[0]=" ";
     // echo $sResult; // Statistic code end
      }
    curl_close($stCurlHandle); 
}

```