<?php

public function objects($dataPG)
{
    $query = "SELECT * FROM `the_property` WHERE `addr` <> ' '";

    $ltr_binds = array();
    foreach( $dataPG as $k => $v )
    {
        if( !empty(trim($v)) && $v != ',' )
        {
            if( !in_array($k, array('start', 'last', 'go', 'all')) )
            {
                if( $k == 'price' )
                {
                    list($start, $last) = explode(',', $v);

                    if( !empty(trim($start)) )
                    {
                        $query .= ' AND `'.$k.'` >= ?';
                        $ltr_binds[] = $start;
                    }

                    if( !empty(trim($last)) )
                    {
                        $query .= ' AND `'.$k.'` <= ?';
                        $ltr_binds[] = $last;
                    }
                } else
                {
                    $query .= ' AND `'.$k.'` = ?';
                    $ltr_binds[] = $v;
                }
            }
        }
    }

    // prepare & query
    $pq = $this->pdo->prepare($query);
    $pq->execute( $ltr_binds );
    return $pq->fetchAll(PDO::FETCH_ASSOC);
}