- var_dump: documentation ( source)
- mb_strlen: documentation ( source)
- preg_match: documentation ( source)
<?php
class Validator
{
public static function go($str)
{
if (mb_strlen($str) < 3) {
return false;
}
return preg_match('/^([A-Za-z0-9_\s]+)$/', $str) == 1;
}
}
var_dump(Validator::go("abc"));