}
// Assert that there is at least one strategy.
- assert('!empty($this->placeholderStrategies)', 'At least one placeholder strategy must be present; by default the fallback strategy \Drupal\Core\Render\Placeholder\SingleFlushStrategy is always present.');
+ assert(!empty($this->placeholderStrategies), 'At least one placeholder strategy must be present; by default the fallback strategy \Drupal\Core\Render\Placeholder\SingleFlushStrategy is always present.');
$new_placeholders = [];
// and this uses a variation of the "chain of responsibility" design pattern.
foreach ($this->placeholderStrategies as $strategy) {
$processed_placeholders = $strategy->processPlaceholders($placeholders);
- assert('array_intersect_key($processed_placeholders, $placeholders) === $processed_placeholders', 'Processed placeholders must be a subset of all placeholders.');
+ assert(array_intersect_key($processed_placeholders, $placeholders) === $processed_placeholders, 'Processed placeholders must be a subset of all placeholders.');
$placeholders = array_diff_key($placeholders, $processed_placeholders);
$new_placeholders += $processed_placeholders;