linkvz/index.php

<?php
try {
   // Verbindung zur Datenbank herstellen
   $pdo = new PDO('mysql:host=localhost;dbname=linkdb', 'linkdb', 'linkdb');
   $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

   // Tabelle link erstellen, falls nicht vorhanden
   $sql = 'CREATE TABLE IF NOT EXISTS link (
   link_id BIGINT(18) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
   link_url VARCHAR(30) NOT NULL,
   link_name VARCHAR(30),
   reg_date TIMESTAMP
   )';
  
   $pdo->exec($sql); // use exec() because no results are returned
   }
catch(PDOException $e)
{
   echo $sql . "<br>" . $e->getMessage();
}


// Versuch der Objektorientierung

class Link{
   public $name;
   public $url;

   public function __construct($newName, $newUrl){
      $this->name = $newName;
      $this->url = $newUrl;
   }
}

$link1=new Link("therealblue.de", "https://therealblue.de");

echo '<a href="'.$link1->url.'" target="_blank">'.$link1->name.'</a><br>';

/* Alt vor Obejktorientierung

$url = 'https://therealblue.de';
$name = 'therealblue.de';

$statement = $pdo->prepare('INSERT INTO link(link_url, link_name) VALUES (:link_url, :link_name)');
$statement->execute([
   ':link_url'    => $url,
   ':link_name'   => $name
]);

$sql = "SELECT * FROM link";
foreach ($pdo->query($sql) as $row) {
   echo '<a href="'.$row['link_url'].'" target="_blank">'.$row['link_name'].'</a><br>';
}
*/

?>