source: extensions/edit_gmaps/include/functions.php

<?php

function cl_meta_get_cache_file_name()
{
        global $conf;
        $dir = $conf['local_data_dir'];
        return $dir.'/tmp/_rvgm_cat_cache.dat';
}

function cl_meta_invalidate_cache()
{
        @unlink(  cl_meta_get_cache_file_name() );
}

function cl_meta_load_language()
{
        global $lang_info,$conf;
        if ( isset($lang['Map']) or ($lang_info['code']=='en' and !$conf['debug_l10n']) )
                return;
        load_language('lang', dirname(__FILE__).'/../');
}

function cl_meta_items_have_latlon($items)
{
  $query = '
SELECT id FROM '.IMAGES_TABLE.'
WHERE lat IS NOT NULL
  AND id IN ('.implode(',', $items).')
ORDER BY NULL
LIMIT 0,1';
        if ( mysql_num_rows(pwg_query($query))> 0)
                return true;
        return false;
}

function cl_meta_make_map_picture_url($params)
{
        global $conf;
        if ( empty($conf['gmaps_api_key']) and $_SERVER['SERVER_ADDR']!='127.0.0.1' )
                return "";
        $map_url = make_picture_url($params);
        return add_url_params($map_url, array('map'=>null) );
}

function cl_meta_duplicate_map_picture_url()
{
        global $conf;
        if ( empty($conf['gmaps_api_key']) and $_SERVER['SERVER_ADDR']!='127.0.0.1' )
                return "";
        $map_url = duplicate_picture_url();
        return add_url_params($map_url, array('map'=>null) );
}

function cl_meta_make_map_index_url($params=array())
{
        global $conf, $cl_meta_dir;
        if ( empty($conf['gmaps_api_key']) and $_SERVER['SERVER_ADDR']!='127.0.0.1' )
                return "";
        $url = get_root_url().'map';
        if ($conf['php_extension_in_urls'])
                $url .= '.php';
        if ($conf['question_mark_in_urls'])
                $url .= '?';
        $url .= make_section_in_url($params);
        $url = add_well_known_params_in_url($url, array_intersect_key($params, array('flat'=>1) ) );
        return $url;
}

function cl_meta_duplicate_map_index_url($redefined=array(), $removed=array())
{
        return cl_meta_make_map_index_url(
                params_for_duplication($redefined, $removed)
                );
}

function cl_meta_duplicate_kml_index_url($redefined=array(), $removed=array())
{
        return cl_meta_make_kml_index_url(
                params_for_duplication($redefined, $removed)
                );
}

function cl_meta_make_kml_index_url($params)
{
        global $conf, $cl_meta_dir;
        $url = get_root_url().'plugins/'.$cl_meta_dir.'/kml.php';
        if ($conf['question_mark_in_urls'])
                $url .= '?';

        $url .= make_section_in_url($params);
        unset( $params['start'] );
        if ( 'categories'!=$params['section']) unset( $params['flat'] );
        $url = add_well_known_params_in_url($url, $params);
        $get_params = array();
        if ( isset($params['box']) and !empty($params['box']) )
        {
                include_once( dirname(__FILE__).'/functions_map.php' );
                if ( ! bounds_is_world($params['box']) )
                        $get_params['box'] = bounds_to_url($params['box']);
        }
        if ( isset($params['ll']) and !empty($params['ll']) )
                $get_params['ll'] = $params['ll']['lat'].','.$params['ll']['lon'];
        $url = add_url_params($url, $get_params );
        return $url;
}
?>