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Hi,
I've just found two PHP scripts that contain code like this:
$x = fopen(...);
while (!feof($x)) {
...
}
This is unfortunate, because it creates an infinite loop when fopen
fails: since $x is not a file handle, feof() will never return true, and
the loop will never end.
This is particularly serious with PHP because the infinite loop creates
a log message every time, which fills the system disk, but it's
something to be avoided in any language.
Error handling is not just a nicety. Doing it wrong creates serious
bugs. Do it right.
- river.
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