I'm having problems looking through the array data from a json file.

This is the code I have

```
$barcode = '0000000' //just an example this is set as a variable

$json_data = json_decode($json,true); 

foreach ($json_data as $data){
    $barcodejson = $data['Barcode'];

    if($barcodejson == $barcode){
        $alreadyscanned = 'This user is already in your contacts';  
    } else { do something}
}

```

The problem I have is its only 'looking' at the last set of data and not all of it. if I put the barcode in twice I get the error `This user is already in your contacts` but if I put a new one in and then the existing barcode again it doesn't work.

I'm sure its something to do with the foreach loop but can not figure it out.

my json data is structured like this : 

```
[
{
    "FirstName": "lee",
    "LastName": "skelding",
    "Email": "mail.mail.com",
    "Barcode": "732580652913857773001",
    "Phone": "00000000",
    "Company": "SKELLATECH V3",
    "Position": "CEO"
},
{
    "FirstName": "Kenneth",
    "LastName": "Brandon",
    "Email": "mail.mail.com",
    "Barcode": "732559813913833509001",
    "Phone": null,
    "Company": null,
    "Position": null
},
{
    "FirstName": "lee",
    "LastName": "skelding",
    "Email": "mail.mail.com",
    "Barcode": "732580652913857773001",
    "Phone": "0000000000",
    "Company": "SKELLATECH V3",
    "Position": "CEO"
}
]

```

what I want to do is see if the barcode number already exists in the json file if it does show the error if it doesn't carry on with the rest of my code and add in the new data