Phpsession concurrent online count statistics

Note: This php Tutorial is excerpted from the network. phpsession enables simultaneous online user count statistics. you can also perform online user count statistics through php file operations! & Amp; lt ;? Phpob_start (); // enable the output buffer session_sta.

Note: This php Tutorial is excerpted from the network. php session enables simultaneous online count statistics. you can also perform php file operations to achieve online count statistics!

 0) {$ ckey = key ($ D _); unlink ($ dirpt. "/". $ D _ [$ ckey]); if (! Next ($ D _) {break ;}} else {@ chmod (".. ", 0777); @ mkdir ($ dirpt, 0777);} $ online = $ onlinenumber-1; $ retime = 60 * $ reftime; echo" current online$ OnlinePerson
 "; Ob_end_flush (); // sends out the buffer content and closes the buffer?>