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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?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)";
}
// echo $options['options']['min_range'];