使用Xpath和PHP从表中收集数据？

Question

I want to extract the data from the table below and the markup of the table is given below.I'm using Xpath to extract data from the table but other suggestions are also welcome.

      <div style="clear:both;" id="showPrice">
      <br>
      <table cellspacing="1">
         <tbody>
             <tr>
                 <td width="50px" style="text-align: left" class="tdhead">SN</td>
                 <td width="650px" style="text-align: left" class="tdhead">Companies</td>
                 <td width="20px" class="tdhead">Trans</td>
                 <td width="50px" class="tdhead"> Max Price</td>
                 <td width="50px" class="tdhead">Min Price</td>
                 <td width="50px" class="tdhead">Closing Price</td>
                 <td width="50px" class="tdhead">Total Shares</td>
                 <td width="50px" class="tdhead">Amount Rs.</td>
                 <td width="50px" class="tdhead">Prev. Closing</td>
                 <td width="20px" class="tdhead">Diff.</td>
                 <td width="50px" class="tdhead">Diff. %</td>
                 <td colspan="3" class="closing-price">
                     <table>
                         <tbody>
                            <tr>
                               <td colspan="3">365&nbsp;days</td>
                             </tr>
                             <tr>
                               <td width="50px" class="closing-price-lighter">Max Price</td>
                               <td width="50px" class="closing-price-lighter">Min Price</td>
                               <td width="50px" class="closing-price-lighter">Avg</td>    
                             </tr>
                         </tbody>
                     </table>
                     </td>
                    </tr>
                    <tr style="background-color: #A61A00">
                       <td style="text-align: center;color:white;">1</td>
                       <td style="text-align: left;padding:3px;">
                          <a href="viewcompany.php?symbol=ACEDBL&amp;id=177" style="text-decoration:none;color:white;">Ace Development Bank Limited</a>
                       </td>
                       <td class="numeric-data">3</td>
                       <td class="numeric-data">269.00</td>
                       <td class="numeric-data">264.00</td><td class="numeric-data" style="background-color:#99CCFF;color:black;">264.00</td>
                       <td class="numeric-data">495</td>
                       <td class="numeric-data">131,405</td>
                       <td class="numeric-data">265.00</td>
                       <td class="numeric-data">-1.00</td>
                       <td class="numeric-data" style="background-color:#99CCFF;color:black;">-0.38</td>
                       <td class="numeric-data" style="background-color:#99FFFF;color:black;">281</td>
                       <td class="numeric-data" style="background-color:#99FFFF;color:black;">102</td>
                       <td class="numeric-data" style="background-color:#99FFFF;color:black;">150.15</td>       
                   </tr>
               </tbody>
            </table>
         </div>

I want only the data after the closing-price class. The data which I require is the text and the numeric value from the following td of the tr :

                       <td style="text-align: left;padding:3px;">
                          <a href="viewcompany.php?symbol=ACEDBL&amp;id=177" style="text-decoration:none;color:white;">Ace Development Bank Limited</a>
                       </td>
                       <td class="numeric-data">3</td>
                       <td class="numeric-data">269.00</td>
                       <td class="numeric-data">264.00</td><td class="numeric-data" style="background-color:#99CCFF;color:black;">264.00</td>
                       <td class="numeric-data">495</td>
                       <td class="numeric-data">131,405</td>
                       <td class="numeric-data">265.00</td>
                       <td class="numeric-data">-1.00</td>
                       <td class="numeric-data" style="background-color:#99CCFF;color:black;">-0.38</td>
                       <td class="numeric-data" style="background-color:#99FFFF;color:black;">281</td>
                       <td class="numeric-data" style="background-color:#99FFFF;color:black;">102</td>
                       <td class="numeric-data" style="background-color:#99FFFF;color:black;">150.15</td>       
                   </tr>   

I tried following expression but could not get the result:

  //div[@id='showPrice']/td[preceding-sibling::td[@class='closing-price']]/text()

Answer 1

You can also do somethin like this:

Point it to that particular <tr> tag:

$html_string = file_get_contents('http://www.sharesansar.com/today.php');
$dom = new DOMDocument();
libxml_use_internal_errors(true);
$dom->loadHTML($html_string);
libxml_clear_errors();
$xpath = new DOMXpath($dom);
$values = array();
$row = $xpath->query('//div[@id="showPrice"]/table[1]/tr[2]/td');
foreach($row as $value) {
    $values[] = trim($value->textContent);
}

echo '<pre>';
print_r($values);

The results:

Array
(
    [0] => 1
    [1] => Ace Development Bank Limited
    [2] => 3
    [3] => 269.00
    [4] => 264.00
    [5] => 264.00
    [6] => 495
    [7] => 131,405
    [8] => 265.00
    [9] => -1.00
    [10] => -0.38
    [11] => 281
    [12] => 102
    [13] => 150.15
)