# stringToHex()

**Method signature**

```php
private function stringToHex($str) 
```

**Parameters**

| Name  | Type   | Description                         |
| ----- | ------ | ----------------------------------- |
| `str` | string | Any string to convert to hex format |

**Example**

```php
<?php
require 'vendor/autoload.php';
use CircularProtocol\Api\CircularProtocolAPI;

$circular = new CircularProtocolAPI();
$text = "Hello, World!";

$result = $circular->stringToHex($text);
echo $result;
```

**Result**

The result will be an object of type String:

```
48656c6c6f2c20576f726c6421
```
