\n"; } $time[1] = getmicrotime(); //echo1やったあとの時刻 for($i=0;$i<$n;$i++){ print "\n"; } $time[2] = getmicrotime(); //print1やったあとの時刻 for($i=0;$i<$n;$i++){ echo("\n"); } $time[3] = getmicrotime(); //echo2やったあとの時刻 for($i=0;$i<$n;$i++){ print("\n"); } $time[4] = getmicrotime(); //print2やったあとの時刻 for($i=0;$i<$n;$i++){ printf("\n"); } $time[5] = getmicrotime(); //printfやったあとの時刻 $echo1 = $time[1] - $time[0]; $print1 = $time[2] - $time[1]; $echo2 = $time[3] - $time[2]; $print2 = $time[4] - $time[3]; $printf = $time[5] - $time[4]; echo << trytime echo x;$echo1 ptint x;$print1 echo(x);$echo2 print(x);$print2 printf(x);$printf EOF; $self = $_SERVER['PHP_SELF']; echo "retry"; ?>