Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Logger;
Chris@0: 
Chris@0: /**
Chris@0:  * Parses log messages and their placeholders.
Chris@0:  */
Chris@0: class LogMessageParser implements LogMessageParserInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function parseMessagePlaceholders(&$message, array &$context) {
Chris@0:     $variables = [];
Chris@0:     $has_psr3 = FALSE;
Chris@0:     if (($start = strpos($message, '{')) !== FALSE && strpos($message, '}') > $start) {
Chris@0:       $has_psr3 = TRUE;
Chris@0:       // Transform PSR3 style messages containing placeholders to
Chris@17:       // \Drupal\Component\Render\FormattableMarkup style.
Chris@0:       $message = preg_replace('/\{(.*)\}/U', '@$1', $message);
Chris@0:     }
Chris@0:     foreach ($context as $key => $variable) {
Chris@0:       // PSR3 style placeholders.
Chris@0:       if ($has_psr3) {
Chris@0:         // Keys are not prefixed with anything according to PSR3 specs.
Chris@0:         // If the message is "User {username} created" the variable key will be
Chris@0:         // just "username".
Chris@0:         if (strpos($message, '@' . $key) !== FALSE) {
Chris@0:           $key = '@' . $key;
Chris@0:         }
Chris@0:       }
Chris@0:       if (!empty($key) && ($key[0] === '@' || $key[0] === '%' || $key[0] === '!')) {
Chris@17:         // The key is now in \Drupal\Component\Render\FormattableMarkup style.
Chris@0:         $variables[$key] = $variable;
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     return $variables;
Chris@0:   }
Chris@0: 
Chris@0: }