add pwg_db_concat() function git-svn-id: http://piwigo.org/svn/trunk@4833 68402e56-0260-453c-a942-63ccdbb3a9ee
fatal error if database cannot be accessed fix problem with booleans git-svn-id: http://piwigo.org/svn/trunk@4791 68402e56-0260-453c-a942-63ccdbb3a9ee
Using session_write_close function when session handler use database because write is called after object destruction. git-svn-id: http://piwigo.org/svn/trunk@4781 68402e56-0260-453c-a942-63ccdbb3a9ee