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<?php $options = ['options' => ['min_range' => 2, 'max_range' => 30]]; $str = "Всем привет"; if (filter_var(mb_strlen($str), FILTER_VALIDATE_INT, $options)) { echo "string length in range [{$options['options']['min_range']}, {$options['options']['max_range']}]"; } else { echo "string length out of range"; } //string length in range [2, 30]
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