query dmv SQL class

<?
$mysql = new mysql;

$mysql->query("DROP table;");

class mysql
{
    function query($query)
    {
          mysql_query($query) or return false;
          return true;
     }
}
?>

<?
$mysql = new mysql;
 
$mysql->query("DROP table;");
 
class mysql
{
    function query($query)
    {
          mysql_query($query) or return false;
          return true;
     }
}
?>

<?php

function SQL($aVelden, $tabel, $wat = "SELECT", $overig = "") {
  switch($wat) {
   case "SELECT" : case "UPDATE" : case "DELETE" : $q = $wat; break;
   default: $q = "SELECT";
  }
  if(is_array($aVelden)) {
  for($i=0;$i<count($aVelden);$i++) {
   $q .= " ". $aVelden[$i];
   if($i < count($aVelden) - 1) q .= ",";
  }
  }

  $q .= "FROM ". $tabel . " " . $overig;

  mysql_query($q);

}

SQL(NULL, 'leden', 'UPDATE', 'username = "test" WHERE id = 5');
$data = SQL(array('username', 'id'), 'leden', 'SELECT',  'WHERE id = 5');
// maar dit heeft eig wijnig functionaliteit
?>

<?php
 
function SQL($aVelden, $tabel, $wat = "SELECT", $overig = "") {
  switch($wat) {
   case "SELECT" : case "UPDATE" : case "DELETE" : $q = $wat; break;
   default: $q = "SELECT";
  }
  if(is_array($aVelden)) {
  for($i=0;$i<count($aVelden);$i++) {
   $q .= " ". $aVelden[$i];
   if($i < count($aVelden) - 1) q .= ",";
  }
  }
 
  $q .= "FROM ". $tabel . " " . $overig;
 
  mysql_query($q);
 
}
 
SQL(NULL, 'leden', 'UPDATE', 'username = "test" WHERE id = 5');
$data = SQL(array('username', 'id'), 'leden', 'SELECT',  'WHERE id = 5');
// maar dit heeft eig wijnig functionaliteit
?>