46 lines
1.6 KiB
PHP
46 lines
1.6 KiB
PHP
<?php
|
|
ob_start();
|
|
|
|
if(isset($argv))
|
|
{
|
|
$env = "CLI";
|
|
}
|
|
else
|
|
{
|
|
$env = "WEB";
|
|
}
|
|
|
|
print wordwrap("Some version of the GD graphics library have a bug in their handling of Alpha channels. Unfortunately, Weathermap uses these to draw Nodes.");
|
|
print ($env=='CLI'?"\n\n":"\n<p>");
|
|
|
|
print wordwrap("This program will test if your PHP installation is using a buggy GD library.");
|
|
print ($env=='CLI'?"\n\n":"\n<p>");
|
|
|
|
print wordwrap("If you are, you should either use PHP's built-in (aka 'bundled') GD library, or update to GD Version 2.0.34 or newer. Weathermap REQUIRES working Alpha support.");
|
|
print ($env=='CLI'?"\n\n":"\n<p>");
|
|
|
|
print wordwrap("Let's see if you have the GD transparency bug...");
|
|
print ($env=='CLI'?"\n\n":"\n<p>");
|
|
print wordwrap("If you see no more output, or a segfault, then you do, and you'll need to upgrade.");
|
|
print ($env=='CLI'?"\n\n":"\n<p>");
|
|
print wordwrap("If you get other errors, like 'undefined function', then run check.php to\nmake sure that your PHP installation is otherwise OK.");
|
|
print ($env=='CLI'?"\n\n":"\n<p>");
|
|
print "Here we go...";
|
|
print ($env=='CLI'?"\n\n":"\n<p>");
|
|
|
|
// make sure even the affected folks can see the explanation
|
|
ob_flush();
|
|
flush();
|
|
|
|
$temp_width = 10;
|
|
$temp_height = 10;
|
|
|
|
$node_im=imagecreatetruecolor($temp_width,$temp_height );
|
|
imageSaveAlpha($node_im, TRUE);
|
|
$nothing=imagecolorallocatealpha($node_im,128,0,0,127);
|
|
imagefill($node_im, 0, 0, $nothing);
|
|
imagedestroy($node_im);
|
|
|
|
print "...nope. We got past the risky part, so that's good.\nYour GD library looks healthy.\n";
|
|
print ($env=='CLI'?"\n":"\n<p>");
|