Random Image Generator

<?php
header("Content-type: image/png");
putenv('GDFONTPATH=' . realpath('.'));

// Randomize Values
$randImage = rand(1,10);
$randSize = rand(15,20);
$randAngle = rand(-7,7);
$randR = rand(0,255);
$randG = rand(0,255);
$randB = rand(0,255);
$quote = file("quotes.txt");
$quoteCount = count($quote);
$randQuote = rand(0, $quoteCount - 1);

// Assign Random Values to Variables
$image = imagecreatefrompng("pngs/$randImage.png");
$size = $randSize;
$angle = $randAngle;
$posX = 150;
$posY = 80;
$color = imagecolorallocate($image, $randR, $randG, $randB);
$font = 'fonts/Glass_TTY_VT220';
$string = html_entity_decode($quote[$randQuote]);

// Load Image/Text using the Previously Assigned Variables...
imagettftext ($image, $size, $angle, $posX, $posY, $color, $font, $string);
imagepng($image);
imagedestroy($image);
?>