.*?<\/script>/ims'; /** * Get placeholders * * @param string $content * * @return string[]|NULL */ protected function getPlaceholders($content) { preg_match_all($this->regex, $content, $matches); if ($matches) { $placeholders = []; foreach ($matches[0] as $key => $match) { $placeholders["%{$key}%"] = $match; } return $placeholders; } return null; } /** * Apply placeholders * * @param string $content * * @return string[]|NULL */ protected function applyPlaceholders(&$content) { if (null !== $placeholders = $this->getPlaceholders($content)); { foreach ($placeholders as $placeholder => $value) { $content = str_replace($value,$placeholder, $content); } } return $placeholders; } /** * Restore placeholders * * @param string $content * @param string $placeholders * * @return mixed */ protected function restorePlaceholders(&$content, $placeholders) { if ($placeholders) { if ($placeholders) { foreach ($placeholders as $placeholder => $value) { $content = str_replace($placeholder,$value, $content); } } } return $content; } }