IF Condition in Apache 2.4 is always executed

Gerfried

5/9/24, 12:38 PM

I am trying to load a module based on a condition. {PHPMODULENAME} is replaced in the config by the AMP Server I am using - so please don't get confused.

<If "'{PHPMODULENAME}' == 'php8_module'">
    LoadModule module1 "..."
</If>
<Else>
    LoadModule module2 "..."
</Else>

If the condition is true it should load module1 - because only then the module1 is available and module2 isn't. And vice versa.

However when I try to start Apache, it throws an error, because either module1 or module2 is missing. I know that - that's why I add the IF condition.

159

1 + 0

conditional

apache-2.4

Score:3

Server

HBruijn

5/9/24, 2:15 PM

Apache httpd provides a specific conditional to test for the presence of a module :

The < IfModule > directive:

Description: Encloses directives that are processed conditional on the presence or absence of a specific module
Syntax: <IfModule [!]module-file|module-identifier> ... </IfModule>

+ 2

Gerald Schneider

5/9/24, 4:14 PM

I was about to post the same, but I got the impression that the goal is not to check if a module is loaded, but to load a specific module if configured in some kind of external configuration management.

Gerfried

5/11/24, 2:54 PM

I added the IFModule directive and now it works. It's strange that the parser rises an error for a missing module within an unresolved IF directive, but accepts if the missing module is listed within an unresolved IFModule. IMHO both should react the same way. Anyway, thank you guys!

Elon Musk

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EN: IF Condition in Apache 2.4 is always executed

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