$username = 'd322d3d32'; // Enter your Interfax username here
$password = '23de23d3d'; // Enter your Interfax password here
$faxnumber = '+15032971904'; // Enter your designated fax number here in the format +[country code][area code][fax number], for example: +12125554874
//$texttofax = 'My text goes here'; // Enter your fax contents here
$texttofax = file_get_contents("faxcontent.html");
$filetype = 'HTML'; // If $texttofax is regular text, enter TXT here. If $texttofax is HTML enter HTML here

/**************** Settings end ****************/

$client = new SoapClient("http://ws.interfax.net/dfs.asmx?wsdl");
//

//echo $texttofax;

$params->Username  = $username;
$params->Password  = $password;
$params->FaxNumber = $faxnumber;
$params->Data      = $texttofax;
$params->FileType  = $filetype;

$faxResult = $client->SendCharFax($params);