<? function getYahooQuote($stockSymbol = "CCR") { if (!$targetURL) $targetURL = "http://finance.yahoo.com/q?s=$stockSymbol&d=t"; //设定要抓取的URL目标              $fd = fopen("$targetURL", "r");         $stopExtract = 0;           $startExtract = 0;           while (!feof($fd))           {             $buffer = fgets($fd, 4096);                 //echo trim($buffer)."\n";               if (strstr($buffer, "rowspan=3"))             {                 //echo "extract started at line #$lineCount\n";                   $startExtract = 1;               }                  if ($startExtract && !$stopExtract)                  {                 if (strstr($buffer, "<a"))                   {                     $startPos = strrpos($buffer, "<");                     $buffer = substr($buffer, $startPos);                 }                 //$text = trim(strip_tags($buffer));                 //echo trim($buffer)."\n";                   $buffer = str_replace("\n\r", " ", "$buffer");                 if (strstr($buffer, "http://ichart.yahoo.com/v?s=$stockSymbol"))                   {                     //echo "ichart found!";                     $stopExtract = 1;                   }                 $capturedHTML .= $buffer;                  }             if ($startExtract && strstr($buffer, "<br>"))             {                  $stopExtract = 1;                   //echo "extract stopped at line #$lineCount\n";                           echo $capturedHTML;                 break;             }             $lineCount++;         }         fclose($fd);     }     //以下为抓取的一个例子     $symbols = array('CCR', 'IIXL','SAPE','WBVN' );     $symbolCount = count($symbols);     for ($i=0; $i< $symbolCount; $i++)     {         echo "$symbols[$i]<br>";         getYahooQuote("$symbols[$i]");     }     ?>