Custom Pagination Not Working Well in Wordpress - php

Question

Im just New in Wordpress and in PHP .. Now Ive just uploaded a theme in Wordpress. The Problem is The Custom Pagination is not working in Wordpress but works well in USBWebserver. It Only Just show the Same Content
<table id="maincon2-Article">
<?php
$page2 = $_GET["page2"];
if($page2 == "" || $page2 == "1"){
$pages = 0;
}
else{
$pages = ($page2*3)-3;
}
$Mobartsql = "Select * from tbl_article ORDER BY `Article_ID` DESC limit 1,3";
$result4 = $con->query($Mobartsql);
while($row4 = $result4->fetch_assoc()){
echo '<tr>
<td style="width:50%">
<img src = "https://www.stlouisreviewcenter.com/wp-content/uploads/slrc/'.$row4["Art_pic"].'" id="artpiclink2"/>
</td>
<td style="padding-left:2%" >
<h1 id="art-head2" style="color:purple">'.$row4["Art_title"].' </h5>
</td>
</tr>';
$results1 = $con->query("Select * from tbl_article ORDER BY `Article_ID` DESC");
$rows2 = $result1->num_rows/3;
$rows2 = ceil($rows2);
}
echo '<tr>
<td><br></td>
</tr>
<tr>
<td colspan="2">';
for($i=1; $i<=$rows;$i++){
?> <button> <a href="/article/?page=<?php echo $i;?>" style="text-decoration:none;"/><?php echo $i; ?></a> </button>
<?php
}
?>
</td>
</tr>
<tr>
<td><br/></td>
</tr>
</table>
Here is the Sample .. Plz Need Help ..