php - assignment within an echo statement -

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in php file, have echo statement, outputs html, within want assignment based on onclick event.

echo "<td style='padding:10px; text-align:left;'> <a target='_blank' href='stat.php'  onclick='".  $_session['dakno'] = $r[$j]; ."' >".$r[$j]."</a></td>";

i have tried lot of combinations, still getting syntax error because of onclick section.

echo "<td style='padding:10px; text-align:left;'> <a target='_blank' href='stat.php'  onclick='"<?php  $_session['dakno'] = $r[$j]; ?> "' >".$r[$j]."</a></td>";

edits:

i output field in table hyperlink. on clicking link, value of clicked item passed php file using session variable.

$sno = 1; while($r = mysqli_fetch_array($rs)){                              echo "<tr>";                             echo "<td style='padding:10px; text-align:left;'>".$sno."</td>"; $sno++;                             for( $j=1; $j<6; $j++){                                 if($j == 1){                                 echo "<td style='padding:10px; text-align:left;'> <a target='_blank' href='stat.php'  onclick='".  $_session['dakno'] = $r[$j]; ."' >".$r[$j]."</a></td>";                                   continue;                                 }                                 else                                 echo "<td style='padding:10px; text-align:left;'>".$r[$j]."</td>";                              }                             echo "</tr>";                  }

please, me remove syntax error making.

as specified in question, needed pass value php file when clicked link. did not want use ajax here because not expect update content dynamically. after 2 hours of brainstorming, solved problem extremely basic solution.

$sno = 1; while($r = mysqli_fetch_array($rs)){ echo "";                             echo "<tr>";                             echo "<td style='padding:10px; text-align:left;'>".$sno."</td>"; $sno++;                             for( $j=1; $j<6; $j++){                                 if($j == 1){                                  echo "<td style='padding:10px; text-align:left;'><form action='stat.php' method='post'> <input type='hidden' name='dakno' value='".$r[$j]."' > </input> <button class='dakbutton' type='submit'>".$r[$j]."</button></form></td>";                                   continue;                                 }                                 else                                 echo "<td style='padding:10px; text-align:left;'>".$r[$j]."</td>";                              }                             echo "</tr>";                             echo "</form>";                 }

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