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