Buongiorno a tutti,
ho un file jsno con diverse righe fatte cos�:

codice:
{
    "id": "4",
    "full_name": "Pinco Pallo",
    "first_name": "pinco",
    "middle_initial": null,
    "middle_name": null,
    "last_name": "Pallo",
    "gender": null,
    "birth_year": null,
    "birth_date": null,
    "linkedin_url": "linkedin.com/in/Pallo",
    "linkedin_username": "Pinco-Pallo-6137b646",
    "linkedin_id": "13333333",
    "facebook_url": null,
    "facebook_username": null,
    "facebook_id": null,
    "twitter_url": null,
    "twitter_username": null,
    "github_url": null,
    "github_username": null,
    "work_email": null,
    "mobile_phone": null,
    "industry": "media production",
    "job_title": "communication officer",
    "job_title_role": null,
    "job_title_sub_role": null,
    "job_title_levels": [],
    "job_company_id": null,
    "job_company_name": "plan international ITALIA",
    "job_company_website": null,
    "job_company_size": null,
    "job_company_founded": null,
    "job_company_industry": null,
    "job_company_linkedin_url": null,
    "job_company_linkedin_id": null,
    "job_company_facebook_url": null,
    "job_company_twitter_url": null,
    "job_company_location_name": null,
    "job_company_location_locality": null,
    "job_company_location_metro": null,
    "job_company_location_region": null,
    "job_company_location_geo": null,
    "job_company_location_street_address": null,
    "job_company_location_address_line_2": null,
    "job_company_location_postal_code": null,
    "job_company_location_country": null,
    "job_company_location_continent": null,
    "job_last_updated": "2018-12-01",
    "job_start_date": "2010-09",
    "job_summary": null,
    "location_name": "Italia",
    "location_locality": null,
    "location_metro": null,
    "location_region": null,
    "location_country": "Italia",
    "location_continent": "Europa",
    "location_street_address": null,
    "location_address_line_2": null,
    "location_postal_code": null,
    "location_geo": null,
    "location_last_updated": "2018-12-01",
    "linkedin_connections": 10,
    "inferred_salary": null,
    "inferred_years_experience": 6,
    "summary": "Student at Department of Media and Communication",
    "phone_numbers": [],
    "emails": [{
        "address": "xxxx@yahoo.com",
        "type": "personal"
    }],
    "interests": [],
    "skills": [],
    "location_names": [],
    "regions": [],
    "countries": ["cambodia"],
    "street_addresses": [],
    "experience": [{
        "company": {
            "name": "plan international italy",
            "size": null,
            "id": null,
            "founded": null,
            "industry": null,
            "location": null,
            "linkedin_url": null,
            "linkedin_id": null,
            "facebook_url": null,
            "twitter_url": null,
            "website": null
        },
        "location_names": [],
        "end_date": null,
        "start_date": "2010-09",
        "title": {
            "name": "communication officer",
            "role": null,
            "sub_role": null,
            "levels": []
        },
        "is_primary": true,
        "summary": null
    }],
    "education": [{
        "school": null,
        "end_date": "2014",
        "start_date": "2010",
        "gpa": null,
        "degrees": ["bachelors", "bachelor of arts"],
        "majors": ["media management"],
        "minors": [],
        "summary": null
    }],
    "profiles": [{
        "network": "linkedin",
        "id": "13333333",
        "url": "linkedin.com/in/Pallo",
        "username": "Pinco-Pallo-6137b646"
    }],
    "certifications": [],
    "languages": [],
    "version_status": {
        "status": "updated",
        "contains": [],
        "previous_version": "12.0",
        "current_version": "13.0"
    }
}
ho scritto il seguente codice per fare in modo di leggere riga per riga e poi mettere i dati in delle variabili:

codice:
<html>
<body>
// Preparo un array vuoto
$data = array();


// Leggo il file in righe
$lines = file("C:\Users\Ritel\Desktop\json\Linkedin.json");
// Ciclo le righe
foreach ($lines as $line) {
  // Leggo il JSON della riga
  $json = json_decode($line);
  // Se il JSON � valido...
  if ($json) {
    // Aggiungo il dato all'array
    $data[] = $json;
  }
}


echo "<table>";


foreach ($data as $data){
    $id = $data->id;
    $first_name = $data->first_name;
    $last_name = $data->last_name;
    $full_name = $data->full_name;
    $full_name = $data->full_name;
    $middle_initial = $data->middle_initial;
    $middle_name = $data->middle_name;
    $gender = $data->gender;
    $birth_year = $data->birth_year; 
    $birth_date = $data->birth_date;
    $linkedin_url = $data->linkedin_url;
    $linkedin_username = $data->linkedin_username;
    $linkedin_id = $data->linkedin_id;
    $facebook_url = $data->facebook_url;
    $facebook_username = $data->facebook_username;
    $facebook_id = $data->facebook_id;
    $twitter_url = $data->twitter_url;
    $twitter_username = $data->twitter_username;
    $github_url = $data->github_url;
    $github_username = $data->github_username;
    $work_email = $data->work_email;
    $mobile_phone = $data->mobile_phone;
    $industry = $data->industry;
    $job_title = $data->job_title;
    $job_title_role = $data->job_title_role;
    $job_title_sub_role = $data->job_title_sub_role;
    $job_title_levels = $data->job_title_levels;
    $job_company_id = $data->job_company_id;
    $job_company_name = $data->job_company_name;
    $job_company_website = $data->job_company_website;
    $job_company_size = $data->job_company_size;
    $job_company_founded = $data->job_company_founded;
    $job_company_industry = $data->job_company_industry;
    $job_company_linkedin_url = $data->job_company_linkedin_url;
    $job_company_linkedin_id = $data->job_company_linkedin_id;
    $job_company_facebook_url = $data->job_company_facebook_url;
    $job_company_twitter_url = $data->job_company_twitter_url;
    $job_company_location_name = $data->job_company_location_name;
    $job_company_location_locality = $data->job_company_location_locality;
    $job_company_location_metro = $data->job_company_location_metro;
    $job_company_location_region = $data->job_company_location_region;
    $job_company_location_geo = $data->job_company_location_geo;
    $job_company_location_street_address = $data->job_company_location_street_address;
    $job_company_location_address_line_2 = $data->job_company_location_address_line_2;
    $job_company_location_postal_code = $data->job_company_location_postal_code;
    $job_company_location_country = $data->job_company_location_country;
    $job_company_location_continent = $data->job_company_location_continent;
    $job_last_updated = $data->job_last_updated;
    $job_start_date = $data->job_start_date;
    $job_summary = $data->job_summary;
    $location_name = $data->location_name;
    $location_locality = $data->location_locality;
    $location_metro = $data->location_metro;
    $location_region = $data->location_region;
    $location_country = $data->location_country;
    $location_continent = $data->location_continent;
    $location_street_address = $data->location_street_address;
    $location_address_line_2 = $data->location_address_line_2;
    $location_postal_code = $data->location_postal_code;
    $location_geo = $data->location_geo;
    $location_last_updated = $data->location_last_updated;
    $linkedin_connections = $data->linkedin_connections;
    $inferred_salary = $data->inferred_salary;
    $inferred_years_experience = $data->inferred_years_experience;
    $summary = $data->summary;
    $phone_numbers = $data->phone_numbers;
    $emails = $data->emails;
    $interests = $data->interests;
    $skills = $data->skills;
    $location_names = $data->location_names;
    $regions = $data->regions;
    $countries = $data->countries;
    $street_addresses = $data->street_addresses;
    $experience_company_size = $data->company_size;
    $experience_company_id = $data->company_id;
    $experience_company_founded = $data->company_founded;
    $experience_company_industry = $data->company_industry;
    $experience_company_location = $data->company_location;
    $experience_company_linkedin_url = $data->company_linkedin_url;
    $experience_company_linkedin_id = $data->company_linkedin_id;
    $experience_company_facebook_url = $data->company_facebook_url;
    $experience_company_twitter_url = $data->company_twitter_url;
    $experience_company_location_names = $data->company_location_names;
    $experience_company_end_date = $data->company_end_date;
    $experience_company_start_date = $data->company_start_date;
    $experience_company_title_name = $data->company_title_name;
    $experience_company_title_role = $data->company_title_role;
    $experience_company_title_sub_role = $data->company_title_sub_role;
    $experience_company_title_levels = $data->company_title_levels;
    $experience_company_is_primary = $data->company_is_primary;
    $experience_company_summary = $data->company_summary;
    $education_school = $data->school;
    $education_school_end_date = $data->school_end_date;
    $education_school_start_date = $data->school_start_date;
    $education_school_gpa = $data->school_gpa;
    $education_school_degrees = $data->school_degrees;
    $education_school_majors = $data->school_majors;
    $education_school_minors = $data->school_minors;
    $education_school_summary = $data->school_summary;
    $profiles_network = $data->network;
    $profiles_network_id = $data->id;
    $profiles_network_url = $data->url;
    $profiles_network_username = $data->username;
    $version_status_contains = $data->contains;
    $version_status_previous_version = $data->previous_version;
    $version_status_current_version = $data->current_version;
    echo "<tr>";
   echo "<td>$id</td>";
   echo "<td>$first_name</td>";          
   echo "<td>$last_name</td>";
   echo "<td>$full_name</td>";
   echo "</tr>";        
}    
echo "<table>";
?>
</body>
</html>
Se lascio cos� il sistema mi restituisce il segente errore

Warning: Undefined property: stdClass::$company_size in C:\xampp\htdocs\PHP7\prova.php on line 253

Warning: Undefined property: stdClass::$company_id in C:\xampp\htdocs\PHP7\prova.php on line 254

Warning: Undefined property: stdClass::$company_founded in C:\xampp\htdocs\PHP7\prova.php on line 255

Warning: Undefined property: stdClass::$company_industry in C:\xampp\htdocs\PHP7\prova.php on line 256

e poi mi stampa normalmente a tabella, in pratica la pagina va in errore quanto, nel file json, vi sono i dati all'interno delle { } prima della fine, quindi per quanto concerne:
- experience
- education
- profiles
- version_status

Qualcuno sa aiutarmi?? Grazie