Tickets :: Comment on [#11671] The dynamic view crashes on some Inboxes

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Comment	>> That should be up to the programmer to determine. I don't want the >> programming language enforcing arbitrary limits. >> >> If a programmer wants to shoot themselves in the foot - that is their >> prerogative. But this limit makes certain tasks impossible, >> especially when the input data size is unknown (say, for example, an >> e-mail message where the PHP programmer has no control over limiting >> this input size). >> > I've been doing some reading: > https://bugs.php.net/bug.php?id=45546 > http://stackoverflow.com/questions/7620910/regexp-in-preg-match-function-returning-browser-error > > and using test scripts, I can see that some requests can fill the > stack very quickly while others never crash PHP. So, apparently it's > possible to write regexps to be more stack limit friendly. > > These tips seem to help: > - use possessive quantifiers where possible. This means: ++, +, ?+ > {}+ instead of +, , ?, {}. > - move quantifiers inside of alternative-brackets where possible
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