function makeCaptcha()
{
$imagelength = $this->Length * 25 + 16;
$imageheight = 75;
$image = imagecreate($imagelength, $imageheight);
//$bgcolor = imagecolorallocate($image, 222, 222, 222);
$bgcolor = imagecolorallocate($image, 255, 255, 255);
$stringcolor = imagecolorallocate($image, 0, 0, 0);
$filter = new filters();
$funcnumber = rand(0, 1);
switch ($funcnumber) {
case 0:
$randcellno = rand(2, 7);
$filter->signs($image, $this->getRandFont(), $randcellno);
break;
case 1:
$randruns = rand(10, 30);
$filter->noise($image, $randruns);
break;
case 2:
default:
$randblurradius = rand(8, 20);
$filter->blur($image, 15);
break;
}
for ($i = 0; $i < strlen($this->CaptchaString); $i++) {
imagettftext($image, 25, mt_rand(-15, 15), $i * 25 + 10, mt_rand(30, 70), $stringcolor, $this->getRandFont(), $this->CaptchaString[$i]);
}
//$filter->noise($image, 10);
//$filter->blur($image, 6);
$captchaImageFolder = "{$this->sourceFolder}/{$this->uploadFolder}/temp";
// exec('find "'.$captchaImageFolder.'" -maxdepth 1 -type 5 -mmin +60 | xargs -0 /bin/rm -f');
$captchaImageFile = scandir($captchaImageFolder, 1);
if (count($captchaImageFile) <= 1) {
$captchaImageFile[0] = '000000.png';
}
$captchaImageFile = substr($captchaImageFile[0], 0, strrpos($captchaImageFile[0], '.'));
$captchaImageFile++;
$captchaImageFile = str_pad($captchaImageFile, 6, '0', STR_PAD_LEFT) . '.png';
$this->captchaImageUrl = "{$this->urlRequestRoot}/{$this->cmsFolder}/{$this->uploadFolder}/temp/{$captchaImageFile}";
imagepng($image, $captchaImageFolder . '/' . $captchaImageFile);
imagedestroy($image);
}
function makeCaptcha()
{
$imagelength = $this->Length * 25 + 16;
$imageheight = 75;
$image = imagecreate($imagelength, $imageheight);
//$bgcolor = imagecolorallocate($image, 222, 222, 222);
$bgcolor = imagecolorallocate($image, 255, 255, 255);
$stringcolor = imagecolorallocate($image, 0, 0, 0);
$filter = new filters();
$filter->signs($image, $this->getRandFont());
for ($i = 0; $i < strlen($this->CaptchaString); $i++) {
imagettftext($image, 25, mt_rand(-15, 15), $i * 25 + 10, mt_rand(30, 70), $stringcolor, $this->getRandFont(), $this->CaptchaString[$i]);
}
$filter->noise($image, 10);
$filter->blur($image, 1);
imagepng($image);
imagedestroy($image);
}
