<?php
// your code goes here
$n = 10;
for ($i = 1; $i <= $n; $i++)
{
for ($j = 0; $j < ($n - $i); $j++)
echo " ";
echo "*";
for ($j = 1; $j <= $i-1; $j++)
echo " ";
for ($k = 1; $k < $i-1; $k++)
echo " ";
if($i!=1)
echo "*\n";
}
PD9waHAKCi8vIHlvdXIgY29kZSBnb2VzIGhlcmUKCiRuID0gMTA7CmZvciAoJGkgPSAxOyAkaSA8PSAkbjsgJGkrKykKewogICAgZm9yICgkaiA9IDA7ICRqIDwgKCRuIC0gJGkpOyAkaisrKQogICAgICAgIGVjaG8gIiAiOwogICAgZWNobyAiKiI7CiAgICBmb3IgKCRqID0gMTsgJGogPD0gJGktMTsgJGorKykKICAgICAgICBlY2hvICIgIjsKICAgIGZvciAoJGsgPSAxOyAkayA8ICRpLTE7ICRrKyspCiAgICAgICAgZWNobyAiICI7CiAgICBpZigkaSE9MSkKICAgICAgICBlY2hvICIqXG4iOwp9