function CssOptimizer::clean

Processes the contents of a CSS asset for cleanup.

Parameters

string $contents: The contents of the CSS asset.

Return value

string Contents of the CSS asset.

Overrides AssetOptimizerInterface::clean

2 calls to CssOptimizer::clean()

CssOptimizer::processCss in core/lib/Drupal/Core/Asset/CssOptimizer.php: Processes the contents of a stylesheet for aggregation.
CssOptimizer::processFile in core/lib/Drupal/Core/Asset/CssOptimizer.php: Processes CSS file and adds base URLs to any relative resource paths.

File

core/lib/Drupal/Core/Asset/CssOptimizer.php, line 61

Class

CssOptimizer: Optimizes a CSS asset.

Namespace

Drupal\Core\Asset

Code

public function clean($contents) {
    // Remove multiple charset declarations for standards compliance (and fixing
    // Safari problems).
    $contents = preg_replace('/^@charset\\s+[\'"](\\S*?)\\b[\'"];/i', '', $contents);
    return $contents;
}