initial commit

db.php

@@ -0,0 +1,51 @@
+<?php
+class DB {
+  private $server = 'localhost';
+  private $user= 'root';
+  private $pass= 'ff9800s_a_d';
+  private $db= 'alumnos';
+
+  private $options = [
+    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+    PDO::ATTR_EMULATE_PREPARES   => false,
+  ];
+
+  private $dsn;
+
+  public function __construct()
+  {
+    $this->dsn = "mysql:host=".$this->server.";dbname=".$this->db;
+  }
+
+  public function query($query, ...$params)
+  {
+    try
+    {
+      $pdo = new PDO($this->dsn, $this->user, $this->pass, $this->options);
+      $stmt = $pdo->prepare($query);
+      $stmt->execute($params);
+      return $stmt->fetchAll(PDO::FETCH_ASSOC);
+    }
+    catch(PDOException $e)
+    {
+      throw new \PDOException($e->getMessage(), (int)$e->getCode());
+    }
+  }
+
+  public function dml($dml, ...$params)
+  {
+    try
+    {
+      $pdo = new PDO($this->dsn, $this->user, $this->pass, $this->options);
+      $stmt = $pdo->prepare($dml);
+      $stmt->execute($params);
+      return $stmt->rowCount();
+    }
+    catch(PDOException $e)
+    {
+      throw new \PDOException($e->getMessage(), (int)$e->getCode());
+    }
+  }
+}
+?>