parse Coordinates and convert to Lat/Lon from Wikipedia Markup

WikipediaMarkupCoordinates.php

<?php
class WikipediaMarkupCoordinates{

    /**
     * @param string $text
     * @return boolean|array
     *
     * bsp: http://de.wikipedia.org/w/api.php?action=query&prop=revisions&rvprop=content&format=json&titles=Berufskolleg_Deutzer_Freiheit
     */
    public static function parseCoordinatesFromInfobox($text) {
        $out = array();
        #Breitengrad = 50/56/10.54/N\n| Längengrad = 6/58/49.86/E\n|
        $pattern_b = '/(Breitengrad|NS)(.*?)\|/s';
        //TODO refactor
        preg_match_all($pattern_b, $text, $matches, PREG_PATTERN_ORDER);
        if (!empty($matches[2][0])) {
            $br = $matches[2][0];
            $br = substr($br, strpos($br, '=') + 1);
            $br = trim($br);
            $lla = self::explodeGPS($br);
            if ($lla !== false) {
                $out['Lat'] = self::DMStoLatLon($lla[0], $lla[1], $lla[2]);
            } else {
                $out['Lat'] = $br;
            }
        }
        $pattern_l = '/(Längengrad|EW)(.*?)\|/s';
        preg_match_all($pattern_l, $text, $matches, PREG_PATTERN_ORDER);
        if (!empty($matches[2][0])) {
            $br = $matches[2][0];
            $br = substr($br, strpos($br, '=') + 1);
            $br = trim($br);
            $lla = self::explodeGPS($br);
            if ($lla !== false) {
                $out['Lon'] = self::DMStoLatLon($lla[0], $lla[1], $lla[2]);
            } else {
                $out['Lon'] = $br;
            }
        }
        //we fake that
        if (isset($out['Lat']) && isset($out['Lon'])) {
            $out['type'] = 'landmark';
        }
        return $out;
    }

    public static function parseCoordinates($text) {
        /*
         * {{Coordinate |NS=50/46/28.9/N |EW=6/5/2/E |type=landmark|dim=200|region=DE-NW}}
         * get Lat/Lon convert
         */
        $pattern = '/{{Coordinate(.*?)}}/';
        preg_match_all($pattern, $text, $matches, PREG_PATTERN_ORDER);
        if (isset($matches[1][0])) {
            $a = explode('|', $matches[1][0]);
            array_shift($a);
            $out = array();
            for ($i = 0; $i < count($a); $i++) {
                $tmp = explode('=', $a[$i]);
                if (isset($tmp[1])) {
                    switch (trim($tmp[0])) {
                        case 'NS':
                            $lla = self::explodeGPS($tmp[1]);
                            if ($lla !== false) {
                                $out['Lat'] = self::DMStoLatLon($lla[0], $lla[1], $lla[2]);
                            } else {
                                $out['Lat'] = trim($tmp[1]);
                            }
                            break;
                        case 'EW':
                            $lla = self::explodeGPS($tmp[1]);
                            if ($lla !== false) {
                                $out['Lon'] = self::DMStoLatLon($lla[0], $lla[1], $lla[2]);
                            } else {
                                $out['Lon'] = trim($tmp[1]);
                            }
                            break;
                        default:
                            $out[trim($tmp[0])] = trim($tmp[1]);
                            break;
                    }
                }
            }
            return $out;
        }
        return false;
    }

    /**
     * expects 50/46/28.9/N
     *
     * @param type $gps
     * @return type
     */
    public static function explodeGPS($gps) {
        $tmp = explode('/', $gps);
        if (sizeof($tmp) > 2) {
            return $tmp;
        }
        return false;
    }

    /**
     *
     * Converts DMS ( Degrees / minutes / seconds )
     * to decimal format longitude / latitude
     *
     * @param type $deg
     * @param type $min
     * @param type $sec
     * @return type
     */
    public static function DMStoLatLon($deg, $min, $sec) {
        /*
         * {{coord|27|59|16|N|86|56|40|E}}
         * degrees + (minutes/60) + (seconds/3600) = lat/lon
         *   Type   Dir.   Sign    Test
          Lat.   N      +       > 0
          Lat.   S      -       < 0
          Long.  E      +       > 0
          Long.  W      -       < 0
         */
        return $deg + ((($min * 60) + ($sec)) / 3600);
    }
}