using joomla 3.4.5 and ES 1.4.3
These are just php warnings but seems like some pretty common functions since my error_log is filling up with this.
There is good literature to support the fact that having too many php warnings does in fact decrease site performance and on a busy site can affect it significantly:
PHP Warning: Illegal string offset 'ssl' in /home/site/public_html/administrator/components/com_easysocial/includes/router/router.php on line 119
PHP Warning: Illegal string offset 'tokenize' in /home/site/public_html/administrator/components/com_easysocial/includes/router/router.php on line 120
PHP Warning: Illegal string offset 'external' in /home/site/public_html/administrator/components/com_easysocial/includes/router/router.php on line 121
PHP Warning: Illegal string offset 'tmpl' in /home/site/public_html/administrator/components/com_easysocial/includes/router/router.php on line 122
PHP Warning: Illegal string offset 'controller' in /home/site/public_html/administrator/components/com_easysocial/includes/router/router.php on line 123
PHP Warning: Illegal string offset 'sef' in /home/site/public_html/administrator/components/com_easysocial/includes/router/router.php on line 124
PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in /home/site/public_html/administrator/components/com_easysocial/includes/router/router.php on line 137