protected function eliminateCharacters($content, $characters)
{
$caseSensitive = (bool) $this->arguments['caseSensitive'];
if (true === is_array($characters)) {
$subjects = $characters;
} else {
$subjects = str_split($characters);
}
foreach ($subjects as $subject) {
if (true === $caseSensitive) {
$content = str_replace($subject, '', $content);
} else {
$content = str_ireplace($subject, '', $content);
}
}
return $content;
}