Im trying to create a Sig Image with dynamic variables, when i test the gd code directly it works fine, but when i include the code with the Variable code it just gives me a broken image?

<?php
require_once("VatsimPHPgenerator.php");

include "ImageCrt.php";

$VatsimPHP=new VatsimPHP;

$pilotlist=$VatsimPHP->pilot_retrieve($_REQUEST['cid']);

for($i = 0; $i < count($pilotlist); $i++)

    {

         //IF($pilotlist[$i][1] == $_REQUEST[cid]){ // redundant code
            $Pilot_Name = $pilotlist[$i][2];

            $PilotString = substr("$Pilot_Name", 0, -5)." - Online";
            $PilotString .= '<br>';
            $PilotString .= 'Callsign: '.$pilotlist[$i][0].', '.$pilotlist[$i][11]." - " . $pilotlist[$i][13];
            $PilotString .= '<br>';
            $PilotString .= 'Alt: '.$pilotlist[$i][7].' Sqrk: '.$pilotlist[$i][17];

$Sigimage = Create_Sig($PilotString);
echo "<img src=\"$Sigimage\">";

}


if(count($pilotlist) == "0")

    {

            echo "<p>Pilot Offline</p>";

    }

?>

ImageCrt.php:

<?php
function Create_Sig($str){
	header("Content-Type: image/png");

$image = ImageCreateFromPNG("./temp.png");
$color = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
$colorShadow = imagecolorallocate($image, 0x66, 0x66, 0x66);
$font = './arial.ttf';
$fontSize = "10";
$fontRotation = "0";
/* Shadow */
ImageTTFText($image, $fontSize, $fontRotation, 7, 22, $colorShadow, $font, $str);

/* Top Level */
ImageTTFText($image, $fontSize, $fontRotation, 5, 20, $color, $font, $str);


ImagePng ($image);
imagedestroy($image);

}

?>

Any help would be appreciated thanks.

    Problem was a single space at the end of the VatsimPHPGenerator.php file

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