how to parse JSON google maps JSON in php

[HorkrackArore]

how to parse JSON google maps JSON in phpi have do it in xml, but the coordinates driving direction's not complete as i get with JSON, how we can get all coordinate driving with JSON in php?if we do using xml\[code\]$xml = simplexml_load_file('http://maps.googleapis.com/maps/api/directions/xml?origin='.$origin.'&destination='.$dest.'&sensor=false');$startlat = $xml->xpath("/DirectionsResponse/route/leg/step/start_location/lat");$startlng = $xml->xpath("/DirectionsResponse/route/leg/step/start_location/lng");$distanceeach = $xml->xpath("/DirectionsResponse/route/leg/step/distance/value");$distance = $xml->xpath("/DirectionsResponse/route/leg/distance/value");\[/code\]but how to do with json?and i want my variable $startlat, $startlng, etc, contains same value if we do with xml