http://scottblaine.com/sorting-records-by-distance-using-php-mysql Omaha web developer Tue, 29 Nov 2011 14:04:13 +0000 hourly 1 http://wordpress.org/?v=3.2.1 http://scottblaine.com/sorting-records-by-distance-using-php-mysql/comment-page-1#comment-99 Scott Sun, 18 Apr 2010 16:06:23 +0000 http://scottblaine.com/?p=276#comment-99 Very nice, thanks Bob! Very nice, thanks Bob!

]]> http://scottblaine.com/sorting-records-by-distance-using-php-mysql/comment-page-1#comment-98 bob Sun, 18 Apr 2010 07:25:51 +0000 http://scottblaine.com/?p=276#comment-98 The SQL statement can be simplified to: $sql = " 3957 * 2 * asin( sqrt( pow((sin(0.0174*(lat-$lat)/2)),2) + cos(0.0174*$lat) * cos(0.0174*lat) * pow((sin(0.0174*(lon-$lon)/2)),2) ) ) as distance"; The SQL statement can be simplified to:
$sql = ”
3957 * 2 *
asin(
sqrt(
pow((sin(0.0174*(lat-$lat)/2)),2) +
cos(0.0174*$lat) * cos(0.0174*lat) *
pow((sin(0.0174*(lon-$lon)/2)),2)
)
)
as distance”;

]]>