PHP error with logout.php since changing from 5.2 to 5.5

Hi, I have a hosted members area where my users can store all their account information.
Everything worked ok on PHP 5.2
The hosting company have asked me to change the platform from PHP 5.2 to 5.5
Everything seems to still work as in I can create a new member account and add information to it , its just the logout function which gives me an error
Fatal error: Call to undefined function session_unregister() in /homepages/3/d288589685/htdocs/members/admin/logout.php on line 9
if I log out from a different area, it gives a similar error relating to line 8

regards
Rick
php.txt
Rick_PenneyAsked:
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GaryCommented:
Replace session_unregister() with unset

...as it now no longer exists
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Rick_PenneyAuthor Commented:
Excellent, that works perfectly
thank you for the quick response, very grateful
regards
Rick
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