How to copy html tables from whole site and write them to a file?

Question

PHP

There is a site on which there are necessary tables. We need to take a link to a page, a title from this page, an html table and write it to a file. And so with the whole site.
The title of this plan is:

<h2 class="vinous-header text-center">Теплообменники M18 (Sesino)</h2>

A table of such a plan:

Table

<table frame="VOID" cols="6" rules="NONE" class="contenttable" cellspacing="0" border="0"> 
              <colgroup><col width="139"><col width="147"><col width="161"><col width="161"><col width="86"><col width="86"></colgroup>
               
              <tbody> 
                <tr class="table-th tr-even"> 
                  <td width="139" valign="MIDDLE" height="32" align="CENTER"><b>Наименование</b></td>
                   
                  <td width="147" valign="MIDDLE" align="CENTER"><b>Поверхность (м<sup>2</sup>)</b></td>
                   
                  <td width="161" valign="MIDDLE" align="CENTER"><b>Расход (л/мин)</b></td>
                   
                  <td width="161" valign="MIDDLE" align="CENTER"><b>Мощность охлаждения (кВт/<span style="font-size: 13.3333px;"><sup>o</sup></span>С)</b></td>
                   
                  <td width="86" valign="MIDDLE" align="CENTER"><b>Вес (кг)</b></td>
                   
                  <td width="86" valign="MIDDLE" align="CENTER"><b>Размер А (мм)</b></td>
                   </tr>
                 
                <tr class="table-th-second tr-odd"> 
                  <td valign="MIDDLE" height="17" align="CENTER">M18-10</td>
                   
                  <td sdval="0,195" sdnum="1049;0;0,000" valign="MIDDLE" align="CENTER">0,195</td>
                   
                  <td sdnum="1049;0;0" valign="MIDDLE" align="CENTER">10 – 30</td>
                   
                  <td valign="MIDDLE" align="CENTER">0,09 – 0,27</td>
                   
                  <td sdval="2,5" sdnum="1049;0;0,0" valign="MIDDLE" align="CENTER">2,5</td>
                   
                  <td sdval="28" sdnum="1049;0;0" valign="MIDDLE" align="CENTER">28</td>
                   </tr>
                 
                <tr class="tr-even"> 
                  <td valign="MIDDLE" height="17" align="CENTER">M18-20</td>
                   
                  <td sdval="0,39" sdnum="1049;0;0,000" valign="MIDDLE" align="CENTER">0,390</td>
                   
                  <td sdnum="1049;0;0" valign="MIDDLE" align="CENTER">20 – 60</td>
                   
                  <td valign="MIDDLE" align="CENTER">0,25 – 0,55</td>
                   
                  <td sdval="3,7" sdnum="1049;0;0,0" valign="MIDDLE" align="CENTER">3,7</td>
                   
                  <td sdval="47" sdnum="1049;0;0" valign="MIDDLE" align="CENTER">47</td>
                   </tr>
                 
                <tr class="tr-odd"> 
                  <td valign="MIDDLE" height="17" align="CENTER">M18-30</td>
                   
                  <td sdval="0,585" sdnum="1049;0;0,000" valign="MIDDLE" align="CENTER">0,585</td>
                   
                  <td sdnum="1049;0;0" valign="MIDDLE" align="CENTER">30 – 90</td>
                   
                  <td valign="MIDDLE" align="CENTER">0,45 – 0,83</td>
                   
                  <td sdval="4,8" sdnum="1049;0;0,0" valign="MIDDLE" align="CENTER">4,8</td>
                   
                  <td sdval="66" sdnum="1049;0;0" valign="MIDDLE" align="CENTER">66</td>
                   </tr>
                 
                <tr class="tr-even"> 
                  <td valign="MIDDLE" height="17" align="CENTER">M18-40</td>
                   
                  <td sdval="0,78" sdnum="1049;0;0,000" valign="MIDDLE" align="CENTER">0,780</td>
                   
                  <td sdnum="1049;0;0" valign="MIDDLE" align="CENTER">40 – 120</td>
                   
                  <td valign="MIDDLE" align="CENTER">0,60 – 1,17</td>
                   
                  <td sdval="6" sdnum="1049;0;0,0" valign="MIDDLE" align="CENTER">6,0</td>
                   
                  <td sdval="85" sdnum="1049;0;0" valign="MIDDLE" align="CENTER">85</td>
                   </tr>
                 
                <tr class="tr-odd"> 
                  <td valign="MIDDLE" height="17" align="CENTER">M18-50</td>
                   
                  <td sdval="0,975" sdnum="1049;0;0,000" valign="MIDDLE" align="CENTER">0,975</td>
                   
                  <td sdnum="1049;0;0" valign="MIDDLE" align="CENTER">50 – 150</td>
                   
                  <td valign="MIDDLE" align="CENTER">0,85 – 1,40</td>
                   
                  <td sdval="7,2" sdnum="1049;0;0,0" valign="MIDDLE" align="CENTER">7,2</td>
                   
                  <td sdval="104" sdnum="1049;0;0" valign="MIDDLE" align="CENTER">104</td>
                   </tr>
                 </tbody>
               </table>

The number of rows and columns can vary greatly.
Tell me, please, how can this be done? Some kind of parser, maybe, or something else?

Answer 1

There are libraries with which you can get DOM elements in php using a similar syntax with javascript (jquery).
Here is an example: click

Answer 2

PHP: curl+regex.