[PHP]
<?php
/**
@author:axgle
*/

if($_GET['act']=='install') {

//do install,then..
$php_index="<?php phpinfo();?>";
write(__FILE__,$php_index);//安装完毕后,重写自己
echo "安装完毕,请刷新一次";
exit;

}

echo 'install';
function write($file,$data) {
$fp=fopen($file,"wb");
fwrite($fp,$data);
fclose($fp);
}
?>
[/PHP]