<?php $coords = array( 'DFW' => array('lat'=>52.989, 'long'=>16.910), 'LAX' => array('lat'=>53.149, 'long'=>16.739), ); //Chodzież -Piła // Change 3959 to 6371 to get the distance in kilometers $distance = (6371 * acos( cos(deg2rad($coords['DFW']['lat'])) * cos(deg2rad($coords['LAX']['lat'])) * cos(deg2rad($coords['LAX']['long']) - deg2rad($coords['DFW']['long'])) + sin(deg2rad($coords['DFW']['lat'])) * sin(deg2rad($coords['LAX']['lat'])) ) ); var_dump($distance); ?> if($a < 3):echo 'mniejsze'; else:echo 'nie mniejsze'; endif; ?>
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