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-rw-r--r--INSTALL26
1 files changed, 26 insertions, 0 deletions
diff --git a/INSTALL b/INSTALL
index 346a84470f..adb3d0504c 100644
--- a/INSTALL
+++ b/INSTALL
@@ -158,3 +158,29 @@ Installing PHP can be done in four simple steps:
When you are finished making changes to your srm.conf file, you can
start up your server.
+
+USING PHP3 AND PHP4 AS CONCURRENT APACHE MODULES
+
+ Recent operating systems provide the ability to perform versioning and
+ scoping. This features make it possible to let PHP3 and PHP4 run as
+ concurrent modules in one Apache server.
+
+ This feature is known to work on the following platforms:
+
+ - Linux with recent binutils (2.9.1.x tested)
+ - Solaris 2.5 or better
+ - FreeBSD (4.0-current tested)
+
+ To enable it, configure PHP3 and PHP4 to use APXS (--with-apxs) and the
+ necessary link extensions (--enable-versioning). Otherwise, all standard
+ installations instructions apply. For example:
+
+ $ ./configure \
+ --with-apxs=/apache/bin/apxs \
+ --enable-versioning \
+ --with-mysql \
+ --enable-track-vars
+
+ If this also works on your platform or if you know a way to do it, please
+ report it to our bug database at http://bugs.php.net
+