Defang Payload PHP

<?php
function defangPayload($payload){
  $re = '/((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w\-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)/im';
  preg_match_all($re, $payload, $matches, PREG_SET_ORDER, 0);
  foreach ($matches as $key => $value) {
      $payload = str_replace($value[0], preg_replace('/\./', "[.]", $value[0]), $payload);
  }
  return $payload;
}