@ 2013-12-09T23:40:43Z <?php
$img = imagecreatefromjpeg('http://logicnet.dk/Analyzer/help/Lenna.jpg');
$msg = '';
$msgchar = 0;
for($i=0;$i<8;$i+=8)
{
$msgchar = (($msgchar << 1) | (1 & imagecolorat($img, $i , 0)));
if(($i+8) % 64 == 0)
{
$msg .= chr($msgchar);
$msgchar = 0;
}
}
echo $msg;
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Output for 7.0.0 - 7.0.20 , 7.1.0 - 7.1.20 , 7.2.0 - 7.2.33 , 7.3.12 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.7 Fatal error: Uncaught Error: Call to undefined function imagecreatefromjpeg() in /in/BkOlP:2
Stack trace:
#0 {main}
thrown in /in/BkOlP on line 2
Process exited with code 255 . Output for 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.28 Fatal error: Call to undefined function imagecreatefromjpeg() in /in/BkOlP on line 2
Process exited with code 255 . Output for 4.4.5 - 4.4.9 Fatal error: Call to undefined function: imagecreatefromjpeg() in /in/BkOlP on line 2
Process exited with code 255 . Output for 4.3.2 - 4.3.11 , 4.4.0 - 4.4.4 Fatal error: Call to undefined function: imagecreatefromjpeg() in /in/BkOlP on line 2
Process exited with code 255 . Output for 4.3.0 - 4.3.1 Fatal error: Call to undefined function: imagecreatefromjpeg() in /in/BkOlP on line 2
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241.64 ms | 401 KiB | 356 Q