Parse error at line 26 column 20:
16: }
17:
18: function MetroMetro_distance_p($longitude1, $latitude1, $longitude2, $latitude2)
19: {
20: $koef_lat = 111325;
21: $koef_lng = 63995;
22:
23: $r1 = $koef_lng*($longitude1 - $longitude2);
24: $r2 = $koef_lat*($latitude1 - $latitude2);
25:
26: $r1q = $r1** 2;
^
27: $r2q = $r2** 2;
28: $d = sqrt($r1q + $r2q);
29:
30: return $d;
31: }
32: