<?php $dataArray = [ [1, 1, 0], [1, 0, 1], [1, 1, 0], [1, 0, 0], [1, 0, 0] ]; $onePositions = array_map(function($row) { return array_map(function($position) { return $position + 1; }, array_keys($row, 1)); }, $dataArray); var_dump($onePositions);
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