Как по клику на ссылку удалить строку из Базы данных WordPress?

<?php
 
$db1 = new PDO('mysql:host=localhost;dbname=************', '************', '************');
$db1->query("SET NAMES 'utf8'");
 
$stmt = $db1->query("SELECT * FROM `tetris` ORDER BY `score` DESC LIMIT 10");
 
$a = array();
foreach($stmt->fetchAll() as $row){
 $tmp = array();
 $tmp['_id'] = $row['id'];
 $tmp['name'] = $row['name'];
 $tmp['email'] = $row['email'];
 $tmp['score'] = $row['score'];
 $tmp['lines'] = $row['lines'];
 $tmp['level'] = $row['level'];
 $tmp['created_at'] = $row['date'];
 $a[] = $tmp;
}
 
echo json_encode($a);
 
$db1 = null;
?>

$db1 = new PDO('mysql:host=localhost;dbname=************', '************', '************');
$db1->query("SET NAMES 'utf8'");
 if(isset($_GET['id'])) {
 $db1->query("DELETE FROM `tetris` WHERE `id` = $id");
}
$stmt = $db1->query("SELECT * FROM `tetris` ORDER BY `score` DESC LIMIT 10");
 
$a = array();
foreach($stmt->fetchAll() as $row){
 $tmp = array();
 $tmp['_id'] = $row['id'];
 $tmp['name'] = $row['name'];
 $tmp['email'] = $row['email'];
 $tmp['score'] = $row['score'];
 $tmp['lines'] = $row['lines'];
 $tmp['level'] = $row['level'];
 $tmp['created_at'] = $row['date'];
 $id = $row['id'];
 $tmp['delete_link'] = '<a href="/*адрес текущей страницы*/?id='.$id.'">';
 $a[] = $tmp;
}
 
echo json_encode($a);
 
$db1 = null;
?>

$db1 = new PDO('mysql:host=localhost;dbname=************', '************', '************');
$db1->query("SET NAMES 'utf8'");
$stmt = $db1->query("SELECT * FROM `tetris` ORDER BY `score` DESC LIMIT 10");
 
$a = array();
foreach($stmt->fetchAll() as $row){
 $tmp = array();
 $tmp['_id'] = $row['id'];
 $tmp['name'] = $row['name'];
 $tmp['email'] = $row['email'];
 $tmp['score'] = $row['score'];
 $tmp['lines'] = $row['lines'];
 $tmp['level'] = $row['level'];
 $tmp['created_at'] = $row['date'];
 $id = $row['id'];
 $tmp['delete_link'] = '<a href="/*адрес текущей страницы*/?id='.$id.'">Удалить</a>';
 $a[] = $tmp;
}
 
echo json_encode($a);
 
$db1 = null;

 if(isset($_GET['id'])) {
 $db1->query("DELETE FROM `tetris` WHERE `id` = $id");
}