Php version 5.6 her zaman ki gibi kurulum yapıyorum ancak bu sefer aşağıda ki hataları vermeye başladı yardımcı olabilecek var mı ?

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; vB_Database has a deprecated constructor in /home/serveeha/public_html/includes/class_core.php on line 83

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; vB_Datastore has a deprecated constructor in /home/serveeha/public_html/includes/class_core.php on line 1479

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; vB_Input_Cleaner has a deprecated constructor in /home/serveeha/public_html/includes/class_core.php on line 1820

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; vB_Registry has a deprecated constructor in /home/serveeha/public_html/includes/class_core.php on line 3139

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; vB_Session has a deprecated constructor in /home/serveeha/public_html/includes/class_core.php on line 3541

PHP Warning: Use of undefined constant MYSQL_NUM - assumed 'MYSQL_NUM' (this will throw an Error in a future version of PHP) in ..../includes/init.php on line 156

PHP Warning: Use of undefined constant MYSQL_ASSOC - assumed 'MYSQL_ASSOC' (this will throw an Error in a future version of PHP) in ..../includes/init.php on line 156

PHP Warning: Use of undefined constant MYSQL_BOTH - assumed 'MYSQL_BOTH' (this will throw an Error in a future version of PHP) in ..../includes/init.php on line 156

PHP Warning: Cannot modify header information - headers already sent by (output started at ..../includes/class_core.php:83) in ..../includes/functions.php on line 4381

PHP Warning: sizeof(): Parameter must be an array or an object that implements Countable in ..../includes/class_core.php on line 4264