I am trying to set a cookie on click via
setcookie('mycookie', 1, time()+60*60*24;
but I can not seem to get it working .
If i click the button – when I check my cookies, it is not there .
WordPress cookies
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Cookies are set on the session BEFORE the page starts to load.
Therefor – This function will set the cookie for the NEXT time the page is requested.
you can not (as far as I know ) set a cookie onclick without any javascript help, becasue when at the time the page is rendered (and your click button) – all the cookies are already set.
If you are familiar with jQuery – there are some very good plugins that can help you set a cookie via JS and “refresh” the cookies session.
Some of them , will actually refresh the cookie in a way that will trigger also the “normal” wp cookie to be updated .