/home/mantaraham/www/ Current File: /home/mantaraham/www/php_captcha.php
<?php
session_start();

function generateCode($characters) {
	/* list all possible characters, similar looking characters and vowels have been removed */
	$possible = '123456789';
	$code = '';
	$i = 0;
	while ($i < $characters) { 
		$code .= substr($possible, mt_rand(0, strlen($possible)-1), 1);
		$i++;
	}
	return $code;
};
	
$ResultStr = generateCode(3);
$im =imagecreatefromjpeg("images/captcha.jpg");

 //$im = imagecreate(400,30);
$black = imagecolorallocate($im, rand(0,140),rand(0,140),rand(0,140));  
$_SESSION['key'] = $ResultStr;
// Replace path by your own font path
imagettftext($im, 16, 0, 4, 26, $black, "fonts/IRAN.ttf",$ResultStr);

header("Content-type: image/jpeg");
imagejpeg($im);
imagedestroy($im);


?>