* cacheability metadata.
*/
public function convertTokensToKeys(array $context_tokens) {
- assert('$this->assertValidTokens($context_tokens)');
+ assert($this->assertValidTokens($context_tokens));
$cacheable_metadata = new CacheableMetadata();
$optimized_tokens = $this->optimizeTokens($context_tokens);
// Iterate over cache contexts that have been optimized away and get their