Small library of functions to show how to get Google Maps location data from the coordinates (latitude and longitude).

location.php

<?php

/*
-- ==============================================================================
-- Author:          Sergio Camba (https://github.com/scamba)
-- Technologies:    PHP & Google Maps API
-- Create date:     18/07/2017
-- Update date:     18/07/2017
-- Description:     Small library of functions to show how to get Google Maps 
		    location data from the coordinates (latitude and longitude).
-- ==============================================================================
*/



/**
 * get_fullArray -> Get an array full of location data.
 *
 * @param  $lat  (float/string)  ->  latitude
 * @param  $lon  (float/string)  ->  longitude
 * @param  $lang (string)        ->  language ( 'es', 'en', 'ru', etc )
 * @return array
 */
function get_fullArray($lat, $lon, $lang)
{

	$url = "http://maps.googleapis.com/maps/api/geocode/json?language=" .$lang. "&sensor=false&latlng=" .$lat. "," .$lon;
	return json_decode( file_get_contents( $url ) );

}



/**
 * get_parts -> Get each parts from array.
 *
 * @param  $type  (string)  ->  item type
 * @return string
 */
function get_parts( $type )
{

	global $json;

	switch ( strtolower( $type ) ) {

		case 'calle':
			$type = 'route';
			break;

		case 'numero':
			$type = 'street_number';
			break;
		
		case 'localidad':
			$type = 'administrative_area_level_4';
			break;
		
		case 'comarca':
			$type = 'administrative_area_level_3';
			break;

		case 'provincia':
			$type = 'administrative_area_level_2';
			break;

		case 'comunidad':
			$type = 'administrative_area_level_1';
			break;

		case 'pais':
			$type = 'country';
			break;

		case 'codigo postal':
			$type = 'postal_code';
			break;

		case 'barrio':
			$type = 'neighborhood';
			break;

		case 'zona':
			$type = 'sublocality';
			break;
		
		case 'codigo comunidad':
			$type = 'administrative_area_level_1'; 
			foreach ( $json->results as $result ) {
				foreach( $result->address_components as $addressPart ) {
					if( in_array( $type, $addressPart->types ) )
				 		return $addressPart->short_name;
				}
			}	
			break;

		case 'codigo pais':
			$type = 'country'; 
			foreach ( $json->results as $result ) {
				foreach( $result->address_components as $addressPart ) {
					if( in_array( $type, $addressPart->types ) )
				 		return $addressPart->short_name;
				}
			}	
			break;

		case 'direccion completa':
			foreach ( $json->results as $result ) {
				return $result->formatted_address;
			}
			break;

	}

	$aux = "Not available";

	foreach ( $json->results as $result ) {

		foreach( $result->address_components as $addressPart ) {

			if( in_array( $type, $addressPart->types ) )
		 		$aux = $addressPart->long_name;

		}
	}	

	return $aux;
}




$coords = "40.420385, -3.701005";   // Change this to show your own lat/lon pair (keep format). 
$aux	= explode( ',', $coords );

$lat 	= trim( $aux[0] );
$lon 	= trim( $aux[1] );
$lang 	= 'es';

$json 	= get_fullArray( $lat, $lon, $lang );

echo '
	<style>
	table, th, td {
	    border: 1px solid black;
	    border-collapse: collapse;
	}
	th, td {
	    padding: 5px;
	    text-align: left;    
	}
	</style>

	<table style="max-width:800px;">
		<tr>
	    	<th colspan="2">Datos de las coordenadas <b>[ '.$lat.', ' .$lon.' ]</b> para el idioma: <b>\''.$lang.'\'</b></th>
	  	</tr>
	  	<tr>
	    	<td>Dirección completa</td>
	    	<td>'.get_parts( "direccion completa" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Calle</td>
	    	<td>'.get_parts( "calle" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Número</td>
	    	<td>'.get_parts( "numero" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Barrio</td>
	    	<td>'.get_parts( "barrio" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Zona</td>
	    	<td>'.get_parts( "zona" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Código postal</td>
	    	<td>'.get_parts( "codigo postal" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Localidad</td>
	    	<td>'.get_parts( "localidad" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Comarca</td>
	    	<td>'.get_parts( "comarca" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Provincia</td>
	    	<td>'.get_parts( "provincia" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Comunidad</td>
	    	<td>'.get_parts( "comunidad" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Código comunidad</td>
	    	<td>'.get_parts( "codigo comunidad" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>País</td>
	    	<td>'.get_parts( "pais" ).'</td>
	  	</tr>
	  	<tr>
	    	<td>Código país</td>
	    	<td>'.get_parts( "codigo pais" ).'</td>
	  	</tr>
	</table>
';

//print_r( $json );		// Uncomment to check full results