实时抓取YAHOO股票报价的php代码

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