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<?php function printPyramid($rows){ for($i = 1; $i <= $rows; ++$i){ echo str_repeat("&nbsp;", $rows - $i); for($j = $i; $j >= 1; --$j){ echo $j; } for($j = 2; $j <= $i; ++$j){ echo $j; } echo PHP_EOL; } } printPyramid(7);

preferences:
124.53 ms | 404 KiB | 5 Q