I made a bare minimum set up which fails to draw any image. The view
is only:
<?php echo $this->Html->image($this->Html-
>url(array('controller'=>'users', 'action'=>'captcha'),
true), array('style'=>'','vspace'=>2)); ?>
and the controller function is:
function captcha() {
$this->autoRender = false;
header('Content-Type: image/png');
$x1 = 199;
$y1 = 63;
$im = imagecreatetruecolor($x1 + 1, $y1 + 1);
$bkcol = imagecolorallocate($im, 128, 128, 128);
imagefilledrectangle($im, 0, 0, $x1, $y1, $bkcol);
imagepng($im);
imagedestroy($im);
}
... that is it. As before this fails with no error message, the image
is just a small red cross instead of a grey box.
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