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			setup_userdata › WordPress Function
Since2.0.4
Deprecatedn/a
› setup_userdata ( $for_user_id = 0 )
| Parameters: | 
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| Defined at: | 
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| Codex: | 
Sets up global user vars.
Used by wp_set_current_user() for back compat. Might be deprecated in the future.Related Functions: get_userdata, setup_postdata, get_usermeta, get_userdatabylogin, get_users_drafts
	Source
function setup_userdata( $for_user_id = 0 ) {
	global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_identity;
	if ( ! $for_user_id ) {
		$for_user_id = get_current_user_id();
	}
	$user = get_userdata( $for_user_id );
	if ( ! $user ) {
		$user_ID       = 0;
		$user_level    = 0;
		$userdata      = null;
		$user_login    = '';
		$user_email    = '';
		$user_url      = '';
		$user_identity = '';
		return;
	}
	$user_ID       = (int) $user->ID;
	$user_level    = (int) $user->user_level;
	$userdata      = $user;
	$user_login    = $user->user_login;
	$user_email    = $user->user_email;
	$user_url      = $user->user_url;
	$user_identity = $user->display_name;
}