<?php $data = ['_', '@', ...range(-10, 10), ...range('A', 'F'), ...range('a', 'f') ]; $negatives = []; $uppers = []; $integers = []; foreach ($data as $v) { $negatives[] = $v < 0; $uppers[] = ctype_upper((string) $v); $integers[] = is_int($v); } array_multisort( $negatives, SORT_DESC, $uppers, SORT_DESC, $integers, $data ); var_export($data);
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