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<?php function func(string $str): string { return $str; } var_dump(func('2.123000') === '2.123'); var_dump(func('2.0') === '2'); var_dump(func('123') === '123'); var_dump(func('20') === '20'); var_dump(func((float)'20.0000000000000000000000000000000000000010000') === (float)'20.000000000000000000000000000000000000001'); $str = '20.0000000000000000000000000000000000000010000'; $str = strrev($str); var_dump((array)$str); $keys = []; foreach($str as $key => $val) { $keys[] = $val; if ($val == 0) { $keys[] = $key; unset($str[$key]); } } var_dump($keys); var_dump(strrev($str)); exit;
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