PHP Fax - send one or more files to one or more recipients with SendfaxEx_2

<?php
 
/**************** Settings begin **************/
 
$username          = '';  // Insert your InterFAX username here
$password          = '';  // Insert your InterFAX password here
 
$faxnumbers        = '+12077301111;+492077301222;+442077301333';  // semicolon-
                   // delimited list of destination fax numbers
 
$contacts          = 'Rachel Burns;Albie Eins;Max Planck';  // optional semicolon-
                   // delimited list of recipient names; one per fax number
 
$files             = array('test.pdf', 'test.html'); // List of files to fax
                     // These files need to be resident on the file system
 
$postponetime      = '2001-12-31T00:00:00-00:00';
$retries           = '3';
$csid              = 'AA CSID';
$pageheader        = 'To: {To} From: {From} Pages: {TotalPages}';
$subject           = 'Anything goes';
$replyemail        = '';
$page_size         = 'A4';
$page_orientation  = 'Portrait';
$high_resolution   = FALSE;
$fine_rendering    = TRUE;
 
/**************** Settings end ****************/
$filetypes  = '';
$data       = '';
$filesizes  = '';
 
 
// Open files and determine file types from extension
foreach ($files as $filename){
	$filetype_exploded_array = explode('.', $filename);
	$filetype = $filetype_exploded_array[count($filetype_exploded_array) - 1];
	$filetypes .= $filetype . ';';
 
	if(!($fp = fopen($filename, "r"))){
	// Error opening file
	// Handle error however appropriate for your script
	echo "Error opening file";
	exit;
	}
 
	// Read data from the file into $data
	$filedata = "";
	while (!feof($fp)) $filedata .= fread($fp,1024);
	$filesizes .=  strlen($filedata) . ';';
	$data .= $filedata;
	fclose($fp);
}
$filetypes = trim($filetypes, ';');
$filesizes = trim($filesizes, ';');
 
// Call WS method
$client = new SoapClient("http://ws.interfax.net/dfs.asmx?wsdl");
 
// Use this version of SoapClient instantiation if tracing the SOAP call:
// $client = new SoapClient("http://ws.interfax.net/dfs.asmx?wsdl", array('trace' => 1));
 
$params->Username          =  $username;
$params->Password          =  $password;
$params->FaxNumbers        =  $faxnumbers;
$params->Contacts          =  $contacts;
$params->FilesData         =  $data;
$params->FileTypes         =  $filetypes;
$params->FileSizes         =  $filesizes;
$params->Postpone          =  $postponetime;
$params->RetriesToPerform  =  $retries;
$params->CSID              =  $csid;
$params->PageHeader        =  $pageheader;
$params->JobID             =  '';
$params->Subject           =  $subject;
$params->ReplyAddress      =  $replyemail;
$params->PageSize          =  $page_size;
$params->PageOrientation   =  $page_orientation;
$params->IsHighResolution  =  $high_resolution; 
$params->IsFineRendering   =  $fine_rendering;
 
$result = $client->SendfaxEx_2($params);
echo $result->SendfaxEx_2Result;
 
 
// Use the following line to trace the SOAP call
// Requires using the 'trace' version of SoapClient instantiation above
// echo "REQUEST:\n" . $client->__getLastRequest() . "\n";
 
?>