PHPRO.ORG

This function will fetch the distance between two points. This is a linear distance and should not be used to get the distance between cities or latitude and longitude calculations. For these distance calculations you should use the http://www.phpro.org/examples/Get-Riemann-Distance.php.



<?php

/**
 *
 * @get the straight line distance between two points
 *
 * @param float $x1
 *
 * @param float $x2
 *
 * @param float $y1
 *
 * @param float $y2
 *
 * @return float
 *
 */
 
function getLinearDistance($x1$x2$y1$y2){
  return (float) 
sqrtpow($x1-$x2,2) + pow($y1-$y22));
 }

 
/*** example usage ***/
 
echo getLinearDistance(1825);

 
# 7.61577310586

?>