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@ 2018-05-11T04:22:37Z

<?php
$json = '{
  "data": [
    {
      "sentenceArray": [
        {
          "path": {
            "type": "walk",
            "nodes": [
              {
                "lat": 39.952614,
                "lng": 32.854491
              },
              {
                "lat": 39.952083,
                "lng": 32.857761
              }
            ]
          }
        },
        {
          "path": {
            "type": "bus",
            "nodes": [
              {
                "lat": 39.952418,
                "lng": 32.85727
              },
              {
                "lat": 39.952797,
                "lng": 32.856825
              },
              {
                "lat": 39.953102,
                "lng": 32.856438
              }
            ]
          }
        },
        {
          "path": {
            "type": "bus",
            "nodes": [
              {
                "lat": 39.964951,
                "lng": 32.841305
              },
              {
                "lat": 39.964785,
                "lng": 32.841514
              }
            ]
          }
        }
      ]
    },
    {
      "sentenceArray": [
        {
          "path": {
            "type": "walk",
            "nodes": [
              {
                "lat": 39.952614,
                "lng": 32.854491
              },
              {
                "lat": 39.952083,
                "lng": 32.857761
              }
            ]
          }
        },
        {
          "path": {
            "type": "bus",
            "nodes": [
              {
                "lat": 39.952418,
                "lng": 32.85727
              },
              {
                "lat": 39.952797,
                "lng": 32.856825
              },
              {
                "lat": 39.953102,
                "lng": 32.856438
              }
            ]
          }
        },
        {
          "path": {
            "type": "bus",
            "nodes": [
              {
                "lat": 39.964951,
                "lng": 32.841305
              },
              {
                "lat": 39.964785,
                "lng": 32.841514
              }
            ]
          }
        }
      ]
    }
  ]
}';

$array = json_decode($json, true);
foreach ($array['data'] as $datas) {
    foreach ($datas['sentenceArray'] as $subitem) {
        if ($subitem['path']['type'] == 'bus' && isset($subitem['path']['nodes'])) {
            $result[] = $subitem['path']['nodes'];
        }
    }
}
echo json_encode($result);

json_decode: documentation ( source)
json_encode: documentation ( source)

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