SingleGeocode.php

<?php
	/* HTML Query String Parameters */
	
	$options = array
	(
		'street' => '1600 Pennsylvania Avenue Northwest',
		'city' => 'Washington',
		'state' => 'DC',
		'zip' => '20500',
		'benchmark' => 'Public_AR_Current',
		'format' => 'json'
	);

	/* Build a URL */
	
	$url = 'http://geocoding.geo.census.gov/geocoder/locations/address?'.http_build_query($options);

	/* Run query using cURL */
	
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

	$result = curl_exec($ch);
	curl_close($ch);

	/* Decode the JSON response, and print it out */
	
	print_r(json_decode($result, true));
?>