php - session_set_cookie_params - domain parameters correct value to use -


have seen usage session_set_cookie_params domain parameter null below.

session_set_cookie_params('604800', '/', null, true, true);

consulting documentation suggests domain:

session.cookie_domain string session.cookie_domain specifies domain set in session cookie. default none @ all.....

thus enquiring if

null

is right value use here or should

none

i suppose made mistake translation. if attribute-value empty, behavior undefined according cookies specification.

https://tools.ietf.org/html/rfc6265#section-5.2.3

if want leave param empty should use null or ''. can't set 'none' purpose.


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