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PHP program causes hard disk use space to soar

Source: Internet
Author: User
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This program instantly led to my computer's CPU and memory soared, a look at the hard disk use space, also in the increase, now overwhelmed, can not find the use of hard disk space is it? Can not restore to the previous hard disk space size, I am a PHP beginner, I hope that the great God more advice ah? Help in!!!

<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 ">
<body>
<?php
$filename = "/home/wanbo/test/file/test.txt";
if (file_exists ($filename)) echo "The file is there.";
else echo "there isn ' t such a file";
$myfile =fopen ($filename, "A +");
Fwrite ($myfile, "Hello,world");
while (!feof ($myfile))
{
$mychar =fgetc ($myfile);
Echo $mychar;
}
Fclose ($myfile);
?>
</body>


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