Error

( ! ) Fatal error: Uncaught Error: Undefined constant "MYSQL_BOTH" in /home/ainab/public_html/_include/lib/db_common.php on line 67
( ! ) Error: Undefined constant "MYSQL_BOTH" in /home/ainab/public_html/_include/lib/db_common.php on line 67
Call Stack
#	Time	Memory	Function	Location
1	0.0007	465240	{main}( )	.../index.php:0
2	0.0012	465768	include( '/home/ainab/public_html/_include/core/main_start.php )	.../index.php:16
3	0.0033	478360	include_once( '/home/ainab/public_html/_include/core/start.php )	.../main_start.php:11
4	0.0079	632784	DB_Common::connect( )	.../start.php:369

Error: E_ERROR
URL: http://ainab.info/index.php/blog/105408/_server/about
File: /home/ainab/public_html/_include/lib/db_common.php
Line: 67
Message: Uncaught Error: Undefined constant "MYSQL_BOTH" in /home/ainab/public_html/_include/lib/db_common.php:67
Stack trace:
#0 /home/ainab/public_html/_include/core/start.php(369): DB_Common::connect()
#1 /home/ainab/public_html/_include/core/main_start.php(11): include_once('/home/ainab/pub...')
#2 /home/ainab/public_html/index.php(16): include('/home/ainab/pub...')
#3 {main}
thrown

Call stack:

File: (Line: )
Function: fatalScriptError