same php file, different day...worked 3-4 times in the past in the past

Fatal error: Call to undefined function mysqli__connect() in /var/www/html/log_book_MySQLnew_i.php on line 116 phpinfo.php shows mysqli Additional .ini files parsed /etc/php.d/curl.ini, /etc/php.d/fileinfo.ini, /etc/php.d/json.ini, /etc/php.d/mysql.ini, /etc/php.d/mysqli.ini, /etc/php.d/pdo.ini, /etc/php.d/pdo_mysql.ini, /etc/php.d/pdo_sqlite.ini, /etc/php.d/phar.ini, /etc/php.d/sqlite3.ini, /etc/php.d/zip.ini maybe a mysqli.ini is required containing mysqli.so but [root@localhost php.d]# locate mysqli.so [root@localhost php.d]#                                                                                                           [root@localhost php.d]# locate mysqli /usr/bin/mysqlimport /usr/share/man/man1/mysqlimport.1.gz [root@localhost php.d]#