PHP: inviare SMS con le API di Clickatell

In PHP possiamo inviare SMS con le API di Clickatell.

La soluzione è la seguente:

function my_send_sms( $recipient = '390001234567', $message = 'Hello World' ) {
    $to = "[\"$recipient\"]";
    $authToken = "Auth Token";
        
    $ch = curl_init();
        
    curl_setopt( $ch, CURLOPT_URL,            "https://api.clickatell.com/rest/message" );
    curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
    curl_setopt( $ch, CURLOPT_POST,           1 );
    curl_setopt( $ch, CURLOPT_POSTFIELDS,     "{\"text\":\"$message\",\"to\":$to}" );
    curl_setopt( $ch, CURLOPT_HTTPHEADER,     array(
        "X-Version: 1",
        "Content-Type: application/json",
        "Accept: application/json",
        "Authorization: Bearer $authToken"
    ));
        
    $result = curl_exec ( $ch );
    curl_close( $ch );
}