Error message

• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 568 of /home1/varshney/public_html/sapbeginner/includes/menu.inc).
• Notice: Undefined index: page in nodeaccess_access() (line 91 of /home1/varshney/public_html/sapbeginner/sites/all/modules/nodeaccess/nodeaccess.module).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 385 of /home1/varshney/public_html/sapbeginner/includes/common.inc).