Why Google API returns different results than Google Maps?

YAHOO! DATA FOR calle don jaime I, 26 50001 zaragoza Spain
SimpleGeoCoder Object
(
    [location] => Calle Don Jaime I 26, 50003 Zaragoza 
    [address] => Calle Don Jaime I 26
    [city] => Zaragoza
    [state] => AR
    [zip] => 50003
    [latitude] => 41.65329
    [longitude] => -0.87836
    [precision] => 87
    [warning] => 
    [geocoder] => Yahoo!
)
GOOGLE DATA FOR calle don jaime I, 26 50001 zaragoza Spain
SimpleGeoCoder Object
(
    [location] => Calle Don Jaime I, 26, 50003 Zaragoza, Spain
    [address] => 
    [city] => 
    [state] => 
    [zip] => 
    [latitude] => 41.6534376
    [longitude] => -0.8781994
    [precision] => street_address
    [warning] => 
    [geocoder] => Google
)

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<?php // RAY_temp_gplana.php
error_reporting(E_ALL);

$location = 'calle don jaime I, 26 50001 zaragoza Spain';

// PREPARE THE GEOCODER
$y_demo           = new SimpleGeoCoder;
$y_demo->location = $location;

// TEST THE YAHOO! GEOCODER
$y_demo->geocodeYahoo();
echo "<pre>";
echo PHP_EOL;
echo "YAHOO! DATA FOR <strong>$location</strong>";
echo PHP_EOL;
print_r($y_demo);
echo "</pre>";



// PREPARE THE GEOCODER
$g_demo           = new SimpleGeoCoder;
$g_demo->location = $location;

// TEST THE GOOGLE GEOCODER
$g_demo->geocodeGoogle();
echo "<pre>";
echo PHP_EOL;
echo "GOOGLE DATA FOR <strong>$location</strong>";
echo PHP_EOL;
print_r($g_demo);
echo "</pre>";


// ALL DONE
die();



// SIMPLE GEOCODER CLASS
class SimpleGeoCoder
{

    // DECLARE THE INPUT DATA
    public $location; // USE THIS FOR A FREEFORM QUERY, OR USE THESE PARTS
    public $address;
    public $city;
    public $state;
    public $zip;

    // DECLARE THE OUTPUT DATA
    public $latitude;
    public $longitude;
    public $precision;
    public $warning;
    public $geocoder;

    // DECLARE THE CONSTRUCTOR
    public function __construct()
    {
        $this->latitude  = 0.0;
        $this->longitude = 0.0;
        $this->precision = 0;   // HIGHER IS BETTER, BUT Y AND G USE DIFFERENT SCALES
        $this->warning   = '';
        $this->geocoder  = '';
    }

    // DECLARE THE YAHOO! VERSION OF THE WORKHORSE
    public function geocodeYahoo()
    {
        $this->geocoder = 'Yahoo!';

        // SET THE URL AND OPTIONAL API KEY
        $yahooUrl       = "http://where.yahooapis.com/geocode?gflags=Q&appid=";
        if (defined("YAHOO_API"))
        {
            $yahooUrl .= YAHOO_API;
        }

        // YOU CAN ASK FOR A FREEFORM QUERY
        if ($this->location != '')
        {
            $yahooUrl .= "&location=" . urlencode($this->location);
        }

        // YOU CAN ASK FOR INDIVIDUAL PIECES OF AN ADDRESS
        else
        {
            $loc = urlencode
            ( trim($this->address)
            . ', '
            . trim($this->city)
            . ', '
            . trim($this->state)
            . ' '
            . trim($this->zip)
            )
            ;
            $yahooUrl .= "&location=" . $loc;
        }

        // EXECUTE YAHOO GEOCODER QUERY SEE http://developer.yahoo.com/geo/placefinder/guide/requests.html
        // NOTE - USE ERROR SUPPRESSION OR IT WILL BARK OUT THE YAHOO API KEY - ON FAILURE RETURNS HTTP 400 BAD REQUEST
        if ($yfp = @fopen($yahooUrl, 'r'))
        {
            $yahooResponse = '';
            while (!feof($yfp)) { $yahooResponse .= fgets($yfp); }
            fclose($yfp);
        }
        else
        {
            return FALSE;
        }

        // EXAMINE THE RESULT
        if ($yahooResponse != '') // NOT EMPTY, WE GOT DATA
        {
            $ydata    = new SimpleXMLElement($yahooResponse);
            // echo "<pre>";var_dump($ydata);

            // CHECK FOR ANY ERROR MESSAGE, IF NONE, EXTRACT THE DATA POINTS
            $y_err    = (string)$ydata->Error;
            if ($y_err)
            {
                $this->warning   = $ydata->ErrorMessage;
                return FALSE;
            }
            else
            {
                $this->precision = (string)$ydata->Result->quality;
                $this->latitude  = (string)$ydata->Result->latitude;
                $this->longitude = (string)$ydata->Result->longitude;
                $this->address   = (string)$ydata->Result->line1;
                $this->city      = (string)$ydata->Result->city;
                $this->state     = (string)$ydata->Result->statecode;
                $this->zip       = (string)$ydata->Result->postal;

                $this->location
                = (string)$ydata->Result->line1
                . ', '
                . (string)$ydata->Result->line2
                . ' '
                . (string)$ydata->Result->line3
                ;
            }
        }

        // NO RESULT - SOMETHING IS SICK AT YAHOO
        else
        {
            return FALSE;
        }
        return TRUE;
    } // END function geocodeYahoo



    // DECLARE THE GOOGLE VERSION OF THE WORKHORSE
    public function geocodeGoogle()
    {
        $this->geocoder = 'Google';

        // SET THE URL AND OPTIONAL API KEY
        $googleUrl      = "http://maps.googleapis.com/maps/api/geocode/xml?sensor=false";
        if (defined("GOOGLE_API"))
        {
            $googleUrl .= "&key=" . GOOGLE_API;
        }

        // YOU CAN ASK FOR A FREEFORM QUERY
        if ($this->location != '')
        {
            $googleUrl .= "&address=" . urlencode(trim($this->location));
        }

        // YOU CAN ASK FOR INDIVIDUAL PIECES OF AN ADDRESS
        else
        {
            $loc = urlencode
            ( trim($this->address)
            . ', '
            . trim($this->city)
            . ', '
            . trim($this->state)
            . ' '
            . trim($this->zip)
            )
            ;
            $googleUrl .= "&address=$loc";
        }

        // EXECUTE GOOGLE GEOCODER QUERY SEE http://code.google.com/apis/maps/documentation/geocoding/
        if ($gfp = @fopen($googleUrl, 'r'))
        {
            $googleResponse = '';
            while (!feof($gfp)) { $googleResponse .= fgets($gfp); }
            fclose($gfp);
        }
        else
        {
            return FALSE;
        }

        // EXTRACT THE DATA
        $gdata    = new SimpleXMLElement($googleResponse);

        // ON FAILURE
        if ($gdata->status != 'OK') return FALSE;

        // GEOCODE ACCURACY IS A TEXT STRING NOW
        $this->location  = (string)$gdata->result->formatted_address;
        $this->precision = (string)$gdata->result->type;
        $this->latitude  = (string)$gdata->result->geometry->location->lat;
        $this->longitude = (string)$gdata->result->geometry->location->lng;
        return TRUE;
    } // END function geocodeGoogle

} // END class SimpleGeocoder

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