public function CacheTagFormatter::format in Akamai 8.3

Format tag according to Akamai guidelines.

Parameters

string $tag: A cache tag string.

Return value

string A compliant cache tag string.

File

src/Helper/CacheTagFormatter.php, line 23

Class

CacheTagFormatter

Provides formatting to help cache tags conform Akamai requirements.

Namespace

Drupal\akamai\Helper

Code

public function format($tag) {
  $tag = (string) $tag;
  $tag = preg_replace(self::RESTRICTED_CHARS_PATTERN, '_', $tag);
  return $tag;
}