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Revision 287

Added by stefan almost 20 years ago

Fixed ticket #107 - captcha being cached.

View differences:

captcha.php
59 59 
		imagestring($image, $fnt, $x, $y, substr($_SESSION['captcha'], $i, 1), $darkgray);
60 60 
	}
61 61
62 
	header('Content-type: image/png');
62 
	// start buffering for size determination
63 
	ob_start();
64 
	// add no cache headers
65 
	header("Expires: Mon, 1 Jan 1990 05:00:00 GMT");
66 
	header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
67 
	header("Cache-Control: no-store, no-cache, must-revalidate");
68 
	header("Cache-Control: post-check=0, pre-check=0", false);
69 
	header("Pragma: no-cache");
70 
	header("Content-type: image/png");
71 
	// Make image
63 72 
	imagepng($image);
73 
	// Fetch length
74 
	header("Content-Length: " . ob_get_length());
75 
	// send image and turn off buffering
76 
	ob_end_flush();
77 
	// clear memory
64 78 
	imagedestroy($image);
65
79 

  		




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}


  		




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?>


  		












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