- mb_strlen: documentation ( source)
- trim: documentation ( source)
<?php
function valid_password($val, $min=8, $max = 255){
if(is_array($val)) return false;
$val=trim($val);
if(mb_strlen($val, 'utf-8')<$min OR mb_strlen($val, 'utf-8')>$max) return false;
return $val;
}
$pass = new \Exception('test');
echo 'Fake password is valid: ' . (!is_bool(valid_password($pass)) ? 'yes': 'no');