Wenn ich das Modul Installieren will kommt diese Fehlermeldung

Orca requres PHP XSLT extension. Please enable it first then proceed with installation.

For PHP4, make sure that PHP is compiled with the following extensions:
--with-dom --enable-xslt --with-xslt-sablot

If these PHP extensions are enabled, then you can see domxml and xslt extensions in phpinfo() with the following options:
DOM/XML: enabled
XSLT support: enabled



For PHP5, make sure that PHP is compiled with the following extension:
--with-xsl

If this PHP extension is enabled, then you can see xslt extensions in phpinfo() with the following option:
XSLT support: enabled

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lasst mich raten php.ini ???

was muss ich den genau da einstellen ?