<?php $radius = 100; $elements = 9; $sum = $elements; for ($i = 0; $i < $elements; $i++) { $sum += pow(2, $i); } print "|"; $pos = 1; for ($i = 1; $i < $elements; $i++) { print str_repeat(" ", (int) round($radius * $pos / $sum)) . "|"; $pos += pow(2, $i) + 1; }
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