how to read all values from json object using php

Question

Here is my json data:

      {
      "resourceType": "Patient",
      "birthDate": "1985-08-01T00:00:00Z",
      "active": true,
      "gender": "male",
      "deceasedBoolean": false,
      "id": "Tbt3KuCY0B5PSrJvCu2j-PlK.aiHsu2xUjUM8bWpetXoB",
      "careProvider": [
        {
          "display": "Physician Family Medicine",
          "reference": "https://open-ic.epic.com/FHIR/api/FHIR/DSTU2/Practitioner/T3Mz3KLBDVXXgaRoee3EKAAB"
        }
      ],
      "name": [
        {
          "use": "usual",
          "family": [
            "Argonaut"
          ],
          "given": [
            "Jason"
          ]
        }
      ],
      "identifier": [
        {
          "use": "usual",
          "system": "urn:oid:1.2.840.114350.1.13.327.1.7.5.737384.0",
          "value": "E3826"
        },
        {
          "use": "usual",
          "system": "urn:oid:1.2.3.4",
          "value": "203579"
        }
      ],
      "address": [
        {
          "use": "home",
          "line": [
            "1979 Milky Way Dr."
          ],
          "city": "Verona",
          "state": "WI",
          "postalCode": "53593",
          "country": "US"
        }
      ],
      "telecom": [
        {
          "system": "phone",
          "value": "608-271-9000",
          "use": "home"
        },
        {
          "system": "phone",
          "value": "608-771-9000",
          "use": "work"
        },
        {
          "system": "email",
          "value": "[email protected]"
        }
      ],
      "maritalStatus": {
        "text": "Married"
      },
      "communication": [
        {
          "preferred": true,
          "language": {
            "text": "English",
            "coding": [
              {
                "system": "urn:oid:2.16.840.1.113883.6.99",
                "code": "en",
                "display": "English"
              }
            ]
          }
        }
      ],
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/us-core-race",
          "valueCodeableConcept": {
            "text": "Asian",
            "coding": [
              {
                "system": "2.16.840.1.113883.5.104",
                "code": "2028-9",
                "display": "Asian"
              }
            ]
          }
        },
        {
          "url": "http://hl7.org/fhir/StructureDefinition/us-core-ethnicity",
          "valueCodeableConcept": {
            "text": "Not Hispanic or Latino",
            "coding": [
              {
                "system": "2.16.840.1.113883.5.50",
                "code": "2186-5",
                "display": "Not Hispanic or Latino"
              }
            ]
          }
        }
      ]
    }

$json = '{.....}'; $obj= json_decode($json,true); for($i=0; $i<count($obj['extension']); $i++) { echo $obj['extension'][$i]["url"]. " <br /> "; } but unable to read inner loop for valueCodeableConcept, please suggest me how to read json inner key & values — satish kumar
– satish kumar, Commented Mar 29, 2016 at 13:07

Tomasz · Accepted Answer · 2016-03-29 13:03:30Z

2

json_decode() - Decodes a JSON string

Example:

<?php
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';

var_dump(json_decode($json));
var_dump(json_decode($json, true));

?>

Output:

object(stdClass)#1 (5) {
    ["a"] => int(1)
    ["b"] => int(2)
    ["c"] => int(3)
    ["d"] => int(4)
    ["e"] => int(5)
}

array(5) {
    ["a"] => int(1)
    ["b"] => int(2)
    ["c"] => int(3)
    ["d"] => int(4)
    ["e"] => int(5)
}

answered Mar 29, 2016 at 13:03

Tomasz

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2 Comments

satish kumar Over a year ago

please check my above json object and suggest me how to read nested json objects.for example in the above json object how to read communication key and its inner values (language and its inner loop ( coding key))

Tomasz Over a year ago

@satishkumar check this: stackoverflow.com/questions/10457883/…

Igbanam · Accepted Answer · 2016-03-29 13:07:39Z

2

use json_decode. It returns a PHP object from a well-formed JSON string

Assuming the string in your question is stored under a variable called $json_str, the decoding should go something like this

$json_obj = json_decode($json_str);

You may then access it like so

$json_obj->resourceType; // "Patient"

edited Mar 29, 2016 at 13:07

answered Mar 29, 2016 at 13:02

Igbanam

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1 Comment

satish kumar Over a year ago

$json = '{.....}'; $obj= json_decode($json,true); for($i=0; $i<count($obj['extension']); $i++) { echo $obj['extension'][$i]["url"]. " <br /> "; } but unable to read inner loop for valueCodeableConcept, please suggest me how to read json inner key & values

Miguel Jiménez · Accepted Answer · 2016-03-29 13:06:16Z

1

You can use the PHP JSON library: http://php.net/manual/en/function.json-decode.php

answered Mar 29, 2016 at 13:06

Miguel Jiménez

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Comments

Vinie · Accepted Answer · 2016-03-29 13:22:23Z

0

Try as below

$obj= json_decode($json,true);
if(!empty($obj->extension))
{
    foreach($obj->extension as $extension)
    {
         echo  $extension->url;
       // similarly others
     }
}

answered Mar 29, 2016 at 13:22

Vinie

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