<?php
$mult = "";
for ($i = 0; $i < 9; $i++) {
$mult .= $id[$i];
}
for ($i = 0; $i < 9; $i++) {
echo $id[$i];
}
//https://pt.stackoverflow.com/q/49145/101
PD9waHAKJG51bWVyb3MgPSByYW5nZSgwLCA5KTsKc2h1ZmZsZSgkbnVtZXJvcyk7CiRpZCA9IGFycmF5X3NsaWNlKCRudW1lcm9zLCAxLCA5KTsKJG11bHQgPSAiIjsKZm9yICgkaSA9IDA7ICRpIDwgOTsgJGkrKykgewogICAgJG11bHQgLj0gJGlkWyRpXTsKfQpmb3IgKCRpID0gMDsgJGkgPCA5OyAkaSsrKSB7CiAgIGVjaG8gJGlkWyRpXTsKfQoKLy9odHRwczovL3B0LnN0YWNrb3ZlcmZsb3cuY29tL3EvNDkxNDUvMTAx