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get_metastring_id() fails if a metastring 0 is cached (Trac #1227) #1227

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elgg-gitbot opened this issue Feb 16, 2013 · 2 comments
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get_metastring_id() fails if a metastring 0 is cached (Trac #1227) #1227

elgg-gitbot opened this issue Feb 16, 2013 · 2 comments
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critical engine
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Elgg 1.7

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Original ticket http://trac.elgg.org/ticket/1227 on 39685194-12-25 by cash, assigned to unknown.

Elgg version: 1.6

This is probably my most favorite bug that I've come across.

array_search($string, $METASTRINGS_CACHE); will return the index to an element in $METASTRINGS_CACHE that is zero (the number) for any $string. This causes some really interesting behavior that is difficult to debug. This happens, of course, because "string" == 0 returns true but you generally are not thinking about that when you use array_search(). The solution is to set strict to true so that the comparison is done with ===.
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cash wrote on 39733742-05-21

I'm upgrading the priority on this one because it can have such nasty consequences that are hard to track down.

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cash wrote on 39853944-06-16

(In [svn:3630]) fixes #1227 - this one has been causing nasty problems for far too long

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critical engine
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Elgg 1.7
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