Biomass for Sale

[php] /* Plugin Name: Distance Plugin URI: http://bokeconsulting.com/programming/plugins/distance/ Description: Calculates distance between two map coordinates. Version: 0.1 Author: Bruce Duggan Author URI: http://bokeconsulting.com Copyright: Bruce Duggan 2014 Acknowledgement: The code used in this plugin is based on Martin Stoeckli's code found at http://stackoverflow.com/users/575765/martinstoeckli, who in turn based his code on the Vincenty formula. License: GPL This program is free software: you can redistribute it and/or modify it under the terms of the latest version of the GNU General Public License as published by the Free Software Foundation. It is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. */ add_shortcode('distance','distance_func'); function distance_func($atts){ extract( shortcode_atts(array( 'vals' => '0', ), $atts ) ); $coordinates = explode(',', $vals); $latitudeFrom = $coordinates[0]; $latitudeTo = $coordinates[1]; $longitudeFrom = $coordinates[2]; $longitudeTo = $coordinates[3]; $earthRadius = 6371; $latFrom = deg2rad($latitudeFrom); $lonFrom = deg2rad($longitudeFrom); $latTo = deg2rad($latitudeTo); $lonTo = deg2rad($longitudeTo); $lonDelta = $lonTo - $lonFrom; $a = pow(cos($latTo) * sin($lonDelta), 2) + pow(cos($latFrom) * sin($latTo) - sin($latFrom) * cos($latTo) * cos($lonDelta), 2); $b = sin($latFrom) * sin($latTo) + cos($latFrom) * cos($latTo) * cos($lonDelta); $angle = atan2(sqrt($a), $b); $distance = $angle * $earthRadius; $rounded = round($distance,-1); $roundedMore = round($distance,-2); $roundedMost = round($distance,-3); $roundedLess = round($distance); if ( is_user_logged_in() ) { if ($distance > 1900) { return number_format($roundedMost); } elseif ($distance > 190) { return number_format($roundedMore); } elseif ($distance > 19) { return number_format($rounded); } else { return number_format($roundedLess); } } } /*End Of File*/ [/php]
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product amount form location distance? price buy 
  Green Coal tonnes bags Chile [distance vals="-18.4782534,,-70.31259879999999,"] US$174.99  / tonne
Details
source material: other
primary uses: fuel for electricity generation
secondary uses: fuel for heat
not suitable for: other
Does seller deliver? sometimes
Is delivery included in price?  depends
Augerable? yes
Storable? yes - inert
calorific value:
moisture content:
ash residue:
note to potential buyer: F.O.B. Arica Chilie in containers
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