<?php function somefunc(&$a, &$b, &$c, &$d, &$e, &$f, &$g) { foreach (get_defined_vars() as &$v) { $v = mb_strtolower($v); } } $a = 'HÈllo1'; $b = 'HÈllo2'; $c = 'HÈllo3'; $d = 'HÈllo4'; $e = 'HÈllo5'; $f = 'HÈllo6'; $g = 'HÈllo6'; somefunc($a, $b, $c, $d, $e, $f, $g); var_export([$a, $b, $c, $d, $e, $f, $g]);
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