[PHP-DEV] Safe to load extension twice ? From: Markus Fischer (mfischer <email protected>)
Date: 08/15/01

 From a technical aspect, is it safe to load a particular
extension twice ? Does it only hit performance (loading the
.dll/.so twice) or are there some other caveats which can lead to
unexpected behaviour ?

Example is an extension already loaded in php.ini via
extension=foo.so and in the script its also loaded via
dl('foo.so');

Will this do any harm ?

The point is not "but you can catch this if its already loaded"
but wether it causes a global killer or not.

Or, can this only be answered individually for every extension
depending how 'clean' it was written ?

- Markus 

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