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POGet part of JSON object
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copied!<p>I'm playing with Google Maps and Geocoding (converting Address to lang/lat coordinates). Everything works fine so far and I'm getting an answer from the google maps server with a file:</p> <pre><code>$address = urlencode( $address ); $url = "http://maps.google.com/maps/api/geocode/json?address={$address}&sensor=false"; $content = file_get_contents( $url ); echo '<pre>'; print_r( $content ); echo '</pre>'; </code></pre> <p>Point is that I don't need all that information.</p> <p><strong>Questions</strong></p> <p><em>A</em> How do I get only a part of the JSON object? (<em>Example</em>: I only need <code>'results'->'address_components'->'type' = 'country';</code>.)</p> <p><em>B</em> Can I reduce the content of the returned (google) file somehow as I don't need everything?</p> <p><strong>Update</strong></p> <p>I need to add part of the data to a json object. So decoding & then encoding seems like a loss of energy & time (at this point). Any ideas if I'd be better (faster) off with requesting a XML object? (The final set of objects is pretty large. This is why I should really care about performance.)</p> <hr> <p>Example JSON answer from Google Maps maps server (file content): </p> <pre><code>{ "results" : [ { "address_components" : [ { "long_name" : "28", "short_name" : "28", "types" : [ "street_number" ] }, { "long_name" : "Sellhorner Weg", "short_name" : "Sellhorner Weg", "types" : [ "route" ] }, { "long_name" : "Behringen", "short_name" : "Behringen", "types" : [ "sublocality", "political" ] }, { "long_name" : "Bispingen", "short_name" : "Bispingen", "types" : [ "locality", "political" ] }, { "long_name" : "Soltau-Fallingbostel", "short_name" : "Soltau-Fallingbostel", "types" : [ "administrative_area_level_2", "political" ] }, { "long_name" : "Niedersachsen", "short_name" : "NDS", "types" : [ "administrative_area_level_1", "political" ] }, { "long_name" : "Deutschland", "short_name" : "DE", "types" : [ "country", "political" ] }, { "long_name" : "29646", "short_name" : "29646", "types" : [ "postal_code" ] } ], "formatted_address" : "Sellhorner Weg 28, 29646 Bispingen, Deutschland", "geometry" : { "location" : { "lat" : 53.118080, "lng" : 9.966859999999999 }, "location_type" : "ROOFTOP", "viewport" : { "northeast" : { "lat" : 53.11942898029150, "lng" : 9.96820898029150 }, "southwest" : { "lat" : 53.11673101970850, "lng" : 9.965511019708496 } } }, "partial_match" : true, "types" : [ "street_address" ] } ], "status" : "OK" } </code></pre>

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