Receive JSON POST with PHP

Question

I’m trying to receive a JSON POST on a payment interface website, but I can’t decode it. When I print : ``` echo $_POST; ``` I get: ``` Array ``` I get nothing when I try this: ``` if ( $_POST ) { foreach ( $_POST as $key => $value ) { echo "llave: ".$key."- Valor:".$value."
"; } } ``` I get nothing when I try this: ``` $string = $_POST['operation']; $var = json_decode($string); echo $var; ``` I get NULL when I try this: ``` $data = json_decode( file_get_contents('php://input') ); var_dump( $data->operation ); ``` When I do: ``` $data = json_decode(file_get_contents('php://input'), true); var_dump($data); ``` I get: ``` NULL ``` The JSON format is (according to payment site documentation): ``` { "operacion": { "tok": "[generated token]", "shop_id": "12313", "respuesta": "S", "respuesta_details": "respuesta S", "extended_respuesta_description": "respuesta extendida", "moneda": "PYG", "monto": "10100.00", "authorization_number": "123456", "ticket_number": "123456789123456", "respon…

Accepted Answer

Try;

```
$data = json_decode(file_get_contents('php://input'), true);
print_r($data);
echo $data["operacion"];
```

From your json and your code, it looks like you have spelled the word operation correctly on your end, but it isn't in the json.

EDIT

Maybe also worth trying to echo the json string from php://input.

```
echo file_get_contents('php://input');
```

Receive JSON POST with PHP

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