PHP converts linux runtime into a better-looking format

php converts linux running time into a better-looking format

 $exec = shell_exec('uptime');
 $uptime = explode(' up ', $exec);
 $uptime = explode(',', $uptime[1]);
 if (strpos($uptime[0], 'day')) {
 $time = explode(':', $uptime[1]);
 echo( 'Current system uptime is ' . $uptime[0]. ', ' . $time[0] . ' hours, ' . $time[1] . ' minutes');
 } elseif (strpos($uptime[0] , ':')) {
 $time = explode(':', $uptime[0]);
 echo('Current system uptime is ' . $time[0] . ' hours, ' . $time[1] . ' minutes');
 } else {
 $time = explode(' ', $uptime[0]);
 echo('Current system uptime is ' . $time[0] . ' minutes');
 }

?>

Convert to, php, linux