if (!empty($_POST['1'])) {
            array_push($shares, $_POST['1']);
        }
        if (!empty($_POST['2'])) {
            array_push($shares, $_POST['2']);
        }
        if (!empty($_POST['3'])) {
            array_push($shares, $_POST['3']);
        }
        //var_dump($shares);
        $reconstructed_secret = reconstruct($shares);
        $db = new DBConnection();
        $db->connect();
        $user = get_user_info();
        $secret = $db->query('secret', 'secret', "uid='{$user}'", null, null, null)[0]['secret'];
        $db->delete('secret', "uid='{$user}'");
        $db->disconnect();
        if ($secret == $reconstructed_secret) {
            echo "Secrets matching. Access granted.";
        } else {
            echo "{$secret} != {$reconstructed_secret}. Access denied";
        }
    } else {
        echo "fail";
    }
} else {
    echo "fail";
}
/* [1,8683146895150534502] [2,17361141234745553751] [3,7143385603424603993]
 * Secret 5152555555515253
 *
echo '<p> All columns: ';
var_dump($db->select('truck', '*', 'id', $lastInsertedId));
echo '</p>';
echo '<p> Some columns: ';
var_dump($db->select('truck', array('brand', 'age'), 'id', $lastInsertedId));
echo '</p>';
/*
 * SELECT ALL TEST.
 */
$db->insert('truck', array('brand' => 'Mercedes', 'age' => 3));
echo '<p> All rows and columns: ';
var_dump($db->select('truck', '*'));
/*
 * UPDATE TEST.
 */
echo '<p> Before update: ';
var_dump($db->select('truck', '*', 'id', $lastInsertedId));
echo '</p>';
$db->update('truck', array('vehicle_capacity' => 0, 'brand' => 'MAN', 'age' => 0), $lastInsertedId);
echo '<p> After update: ';
var_dump($db->select('truck', '*', 'id', $lastInsertedId));
echo '</p>';
/*
 * DELETE TEST.
 */
echo '<p> Deleted rows: ' . $db->delete('truck', $lastInsertedId) . '</p>';
echo '<p> Deleted rows: ' . $db->delete('truck', $lastInsertedId + 1) . '</p>';
/*
 * GET TABLE COLUMNS NAMES TEST.
 */
var_dump($db->get_table_columns_names('truck'));
<?php

require_once "includes/db.class.inc";
require_once "includes/mailapi.inc";
require_once "includes/session.inc";
if (is_session_active()) {
    $db = new DBConnection();
    $db->connect();
    $user = get_user_info();
    $secretshare = $db->query('shares', 'share', "uid='{$user}' AND share LIKE '[2,%'", null, null, null)[0]['share'];
    //print_r($secretshare);
    $db->delete("shares", "share='{$secretshare}'");
    $db->disconnect();
    //send secretshare in sms
    //sendsms($user, $share)
    echo $secretshare;
    //echo "fail";
    //echo "success";
} else {
    echo "fail";
}
 /**
  * Delete selected instance of this type in the database.
  * Returns the number of affected rows on success. 
  * @return int|null
  */
 public function delete()
 {
     if ($this->id) {
         $db = new DBConnection();
         return $db->delete($this->convert_to_table_name($this->className), $this->id);
     } else {
         return null;
     }
 }