<?php $array = array (0, 1, 1, 2, 0.5, 0.5); $counts = array_count_values(array_map('strval', $array)); $mode = array_search(max($counts), $counts); echo $mode; echo PHP_EOL; var_dump(isBiModal($counts)); function isBiModal($counts) { $match = max($counts); $filtered = array_filter($counts, function($el) use($match) { return $el === $match; }); return count($filtered) > 1; }
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