messages, shown at the end of Special:Contributions as appropriate for the target
* (bug 8421) Expose current action in JavaScript globals (as 'wgAction')
* (bug 9069) Use galleries in query pages dedicated to images
+* (bug 9177) Installer now warns of various conditions affecting session.save_path
+ which can lead to broken session storage
== Bugfixes since 1.9 ==
* (bug 7292) Fix site statistics when moving pages in/out of content namespaces
If you're running Mandrake, install the php-xml package." );
}
-# Crude check for session support
+# Check for session support
if( !function_exists( 'session_name' ) )
dieout( "PHP's session module is missing. MediaWiki requires session support in order to function." );
-# Likewise for PCRE
+# session.save_path doesn't *have* to be set, but if it is, and it's
+# not valid/writable/etc. then it can cause problems
+$sessionSavePath = ini_get( 'session.save_path' );
+# Warn the user if it's not set, but let them proceed
+if( !$sessionSavePath ) {
+ print "<li><strong>Warning:</strong> A value for <tt>session.save_path</tt>
+ has not been set in PHP.ini. If the default value causes problems with
+ saving session data, set it to a valid path which is read/write/execute
+ for the user your web server is running under.</li>";
+} elseif ( is_dir( $sessionSavePath ) && is_writable( $sessionSavePath ) ) {
+ # All good? Let the user know
+ print "<li>Session save path appears to be valid.</li>";
+} else {
+ # Something not right? Halt the installation so the user can fix it up
+ dieout( "Your session save path appears to be invalid or is not writable.
+ PHP needs to be able to save data to this location in order for correct
+ session operation. Please check that <tt>session.save_path</tt> in
+ <tt>PHP.ini</tt> points to a valid path, and is read/write/execute for
+ the user your web server is running under." );
+}
+
+# Check for PCRE support
if( !function_exists( 'preg_match' ) )
- dieout( "The PCRE regular expression functions are missing. MediaWiki requires these in order to function." );
+ dieout( "The PCRE support module appears to be missing. MediaWiki requires the
+ Perl-compatible regular expression functions." );
$memlimit = ini_get( "memory_limit" );
$conf->raiseMemory = false;