note 109628 added to function.system

I was trying to figure out how to str_replace system output example system("last"); outputs user1 ftpd11967 89-23-224-162.d Fri Aug 3 01:42 still logged in how can I str_replace still logged in to use styles <span style='color:green'>still logged in</span>? ---- Server IP: 69.147.83.197 Probable Submitter: 89.212.234.162 ---- Manual Page -- http://www.php.net/manual/en/function.system.php Edit -- https://master.php.net/note/edit/109628 Del: integrated -- https://master.php.net/note/delete/109628/integrated Del: useless -- https://master.php.net/note/delete/109628/useless Del: bad code -- https://master.php.net/note/delete/109628/bad+code Del: spam -- https://master.php.net/note/delete/109628/spam Del: non-english -- https://master.php.net/note/delete/109628/non-english Del: in docs -- https://master.php.net/note/delete/109628/in+docs Del: other reasons-- https://master.php.net/note/delete/109628 Reject -- https://master.php.net/note/reject/109628 Search -- https://master.php.net/manage/user-notes.php