Insertar un mapa de Google Maps como imagen

add_shortcode('map-it-atts','smp_map_it_atts');
function smp_map_it_atts($atts,$content=null){  
    
    $atts = shortcode_atts( array( 
        'width' => '640', 
        'height' => '640', 
        'title' => 'Mi mapa', 
        'address' => 'Ciudad de México, centro', 
        'zoom' => '13' ), 
        $atts, 'map-it-atts');
    
    $base_map_url = 'http://maps.google.com/maps/api/staticmap?sensor=false&size=640x640&format=png&center=';
    
    return '<h2>' . esc_html( $atts['title'] ) . '</h2><div id="map-it-atts" style="width:' . esc_html($atts['width']) . 'px;height:' . esc_html($atts['height']) . 'px;max-width:640px;background:url('. $base_map_url . urlencode($atts['address']) . '&zoom='. urlencode($atts['zoom']) . '&markers=size:mid%7Ccolor:red%7Clabel:%7C' . urlencode($atts['address']) .') no-repeat center center; display:inline-block;" ></div>';

}