strlen(): Passing null to parameter #1 ($string) of type string is deprecated

[imadepurnamayasa]

PHP Version: 8.1

APPPATH\Libraries\GroceryCrud.php at line 336

329 * @param string
330 * @param integer
331 * @param string the end character. Usually an ellipsis
332 * @return string
333 */
334 function character_limiter($str, $n = 500, $end_char = '…')
335 {
336 if (strlen($str) < $n)
337 {
338 return $str;
339 }
340
341 // a bit complicated, but faster than preg_replace with \s+
342 $str = preg_replace('/ {2,}/', ' ', str_replace(array("\r", "\n", "\t", "\x0B", "\x0C"), ' ', $str));

[imadepurnamayasa]

function character_limiter($str, $n = 500, $end_char = '…')
{
===> i add this code in my local grocerycrud
if (is_null($str)) {
return NULL;
}

    if (strlen($str) < $n)
    {
        return $str;
    }