Parsing JSON object in PHP using json decode

Question

I tried to request the weather from a web service supplying data in JSON format  My PHP request code  which did not succeed was    url  http   www worldweatheronline com feed weather ashx q schruns austria amp format json amp num of days 5 amp key 8f2d1ea151085304102710    json   file get contents  url    data   json decode  json  TRUE   echo  data 0 - gt weather- gt weatherIconUrl 0 - gt value        This is some of the data that was returned  Some of the details have been truncated for brevity  but object integrity is retained      data           current condition                 cloudcover    31                                 request                 query    Schruns  Austria                type    City              weather                 date    2010-10-27                precipMM    0 0                tempMaxC    3                tempMaxF    38                tempMinC    -13                tempMinF    9                weatherCode    113                weatherDesc       value    Sunny                    weatherIconUrl       value    http     www worldweatheronline com  images  wsymbols01 png 64  wsymbol 0001 sunny png                    winddir16Point    N                winddirDegree    356                winddirection    N                windspeedKmph    5                windspeedMiles    3                   date    2010-10-28

User · Answer

Seems like you forgot the   value   or - gt value   echo  data 0 - gt weather- gt weatherIconUrl 0 - gt value

User · Answer

This appears to work    url    http   www worldweatheronline com feed weather ashx q schruns austria amp format json amp num of days 5 amp key 8f2d1ea151085304102710 22    content   file get contents  url    json   json decode  content  true    foreach  json  data    weather   as  item        print  item  date        print   -        print  item  weatherDesc   0   value        print   -        print   lt img src       item  weatherIconUrl   0   value        border  0  alt      gt        print   lt br gt        If you set the second parameter of json decode to true  you get an array  so you cant use the -  syntax  I would also suggest you install the JSONview Firefox extension  so you can view generated json documents in a nice formatted tree view similiar to how Firefox displays XML structures  This makes things a lot easier

User · Answer

Try this example    json      foo-bar   12345      obj   json decode  json   print  obj- gt   foo-bar       12345   http   php net manual en function json-decode php  NB - two negatives makes a positive

User · Answer

If you use the following instead    json   file get contents  url    data   json decode  json  TRUE     The TRUE returns an array instead of an object

User · Answer

You have to make sure first that your server allow remote connection so that the function file get contents  url  works fine   most server disable this feature for security reason

User · Answer

While editing the code  because mild OCD   I noticed that weather is also a list  You should probably consider something like  echo  data 0 - gt weather 0 - gt weatherIconUrl 0 - gt value    to make sure you are using the weatherIconUrl for the correct date instance

User · Answer

When you json decode   force it to return an array instead of object    data   json decode  json  TRUE   - gt     TRUE   This will return an array and you can access the values by giving the keys

[php] Parsing JSON object in PHP using json_decode

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