Agronesia

I need to do some WordPress hacking so I’m actually playing around with PHP at this time. What surprised me recently was that this code doesn’t work as I expected:

$foo = 1;
function bar()
{
   var_dump(isset($foo));
}
bar(); // gives bool(false)

It turns out that in PHP global variables are not automatically available inside functions, to prevent accidental overriding. (I have a C-ish background) To use a global variable inside a function, we need to use the global keyword:

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I just added an image to Gravatar so that it will appear as my avatar when I comment on blogs. It’s just exactly my old WordPress.com avatar, the mathematical integral image. When adding, I met this amusing screen midway:

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Here are some stuffs that I did for my WordPress installations. The plain installation, left alone, is just plainly not good enough :)… I use version 2.5.1 btw.

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