protected function CssCollectionOptimizer::generateHash
protected CssCollectionOptimizer::generateHash(array $css_group)
Generate a hash for a given group of CSS assets.
Parameters
array $css_group: A group of CSS assets.
Return value
string A hash to uniquely identify the given group of CSS assets.
File
- core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php, line 157
Class
- CssCollectionOptimizer
- Optimizes CSS assets.
Namespace
Drupal\Core\AssetCode
protected function generateHash(array $css_group) { $css_data = array(); foreach ($css_group['items'] as $css_file) { $css_data[] = $css_file['data']; } return hash('sha256', serialize($css_data)); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Asset!CssCollectionOptimizer.php/function/CssCollectionOptimizer::generateHash/8.1.x