php shell

<?php#!/usr/local/bin/php -qfunction read(){$fp = fopen('/dev/stdin','r');while(!feof($fp)) {$tmp = fgets($fp, 255);$input = $input. $tmp;}fclose($fp);return $input;}echo "\n\r ********input start**********\n\r";$input = read();echo $input;echo "\n\r ********input end**********\n\r";

[root@localhost ~]# cat a.txt |/usr/local/bin/php in.php