(#3037) Set session.hash_function to 0, as we need 32 byte session IDs.

Half-fix.

htdocs/auth/session.php

@@ -38,6 +38,7 @@ ini_set('session.use_only_cookies', true);
 ini_set('session.cookie_path', get_mahara_install_subdirectory());
 ini_set('session.cookie_httponly', 1);
 ini_set('session.hash_bits_per_character', 4);
+ini_set('session.hash_function', 0);
 
 
 // TEMPORARY: this will be REMOVED after the session path changing