Jan Ehrhardt in php.windows (Thu, 26 Dec 2013 21:24:39 +0100): >Fatal error: Undefined class constant 'MYSQL_ATTR_USE_BUFFERED_QUERY' in >includes\database\mysql\database.inc on line 46 False alarm, this had something to do with the extension_dir settings. I have php 5.7 x86 TS now running as mod_php within Apache VC11 Win32 and am getting the following results from GDB: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 872.0xb44] 0x6fdfdf9f in zend_mm_set_custom_handlers () from D:\phpdev\php57.x86\php5ts.dll (gdb) bt #0 0x6fdfdf9f in zend_mm_set_custom_handlers () from D:\phpdev\php57.x86\php5ts.dll #1 0x6fdfd090 in zend_strndup () from D:\phpdev\php57.x86\php5ts.dll #2 0x0a9615b0 in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?) (gdb) This is abracadabra for me, but maybe Anatol or Dmitri can make sense of it... Jan -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php