PHP echo JSON nested array values

Question

I want to echo all expanded_url and urls. echo $name prints results . echo $value doesn't print anything because of nested array. How do I echo all values?

$json ='{ "results" : [ { "entities" : 
[ { "urls" : [ { "expanded_url" : "http://www.google.com",
                    "url" : "http://t.co/WZnUf68j"
                  },  { "expanded_url" : "http://www.facebook.com",
                    "url" : "http://t.co/WZnUf68j"
                  }, { "expanded_url" : "http://www.twitter.com",
                    "url" : "http://t.co/WZnUf68j"
                  } ] } ],
        "from_user" : "A-user-name",
        "from_user_id" : 457304735,
        "text" : "Ich R U #BoysNoize #SuperRola"
      } ] }';
# $json_array = (array)(json_decode($json));

$data = json_decode($json,true);
foreach($data as $name => $value){
    echo $name.'<br>';
    echo $value; // NOT WORKING - HOW TO ECHO ALL VALUES    
}

isnt that what var_dump and print_r are for? but if you must, you'll just have to approach it recursively. — Rooster
– Rooster, Commented May 22, 2015 at 0:16
you have array(array(array())); cannot do 1 foreach to trace that — Josua M C
– Josua M C, Commented May 22, 2015 at 2:55

Federkun · Accepted Answer · 2015-05-22 00:21:45Z

1

You can do that with

$data = json_decode($json,true);
foreach($data["results"][0]["entities"][0]["urls"] as $value){
    echo $value['expanded_url']."\n";
    echo $value['url']."\n";
}

answered May 22, 2015 at 0:21

Federkun

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Darren · Accepted Answer · 2015-05-22 00:24:02Z

1

Since it's a multidimensional array, you can loop through the various levels to reach where you want.

foreach($data['results'] as $item) {
    foreach($item['entities'] as $urls) {
        foreach($urls['urls'] as $element) {
            echo "expanded_url: {$element['expanded_url']} \n";
            echo "url: {$element['url']} \n";
        }
    }
}

^{Note: The reason I've done the various foreach loops is due to the fact that there may be different results or different entities, so it's better to loop, than to do foreach($data["results"][0]["entities"][0]["urls"] as $value)}

Example

answered May 22, 2015 at 0:24

Darren

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