PHP test hard Drive Write rate

Use PHP to write a 1GB size file, check the hard drive write speed, there may be some error,

It is recommended that you use a professional hard drive test tool to detect

General computer reading and writing in 20m/s, this test to perform probably 40-50s

<?php

Set_time_limit (0);

$str = Str_pad ($STR, 512, "0");

$file = fopen ("./temp", "A +");

$i = 0;

$bytes = 1000000000;

$mygabyte = $bytes/1000000;

echo "Test start." Waiting ... ";

$starttime = time ();

while ($i < $bytes) {

$i + + fwrite ($file, $STR);

}

$endtime = time ();

$usetime = $endtime-$starttime;

$write _xiaolv = $bytes/$usetime;

$myga _xiaolv = $mygabyte/$usetime;

echo "Create 1GB File Use Time". $usetime. "Secondsn";

echo "Speed:" $write _xiaolv. "BYTE/SN";

echo "Speed:" $myga _xiaolv. "M/SN";