$result = Convert_BD09_To_GCJ02(46.610054,125.164126);
function Convert_BD09_To_GCJ02($lat,$lng){
$x_pi = 3.14159265358979324 * 3000 / 180;
$x = $lng - 0.0065;
$y = $lat - 0.006;
$z = sqrt($x*$x+$y*$y)-0.00002*sin($y*$x_pi);
$theta = atan2($y, $x)-0.000003*cos($x*$x_pi);
$lng = $z * cos($theta);
$lat = $z * sin($theta);
$res = array('lng'=>$lng,'lat'=>$lat);
return $res;
}