function LogMessageParser::parseMessagePlaceholders
Same name in other branches
- 9 core/lib/Drupal/Core/Logger/LogMessageParser.php \Drupal\Core\Logger\LogMessageParser::parseMessagePlaceholders()
- 8.9.x core/lib/Drupal/Core/Logger/LogMessageParser.php \Drupal\Core\Logger\LogMessageParser::parseMessagePlaceholders()
- 11.x core/lib/Drupal/Core/Logger/LogMessageParser.php \Drupal\Core\Logger\LogMessageParser::parseMessagePlaceholders()
File
-
core/
lib/ Drupal/ Core/ Logger/ LogMessageParser.php, line 13
Class
- LogMessageParser
- Parses log messages and their placeholders.
Namespace
Drupal\Core\LoggerCode
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\Render\FormattableMarkup 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 (str_contains($message, '@' . $key)) {
$key = '@' . $key;
}
}
// To be considered a valid placeholder, the key should be in
// \Drupal\Component\Render\FormattableMarkup style and the variable
// should be a string, number, or \Stringable object. For historical
// reasons, Boolean and NULL placeholders are also allowed; NULL
// placeholders are deprecated and may throw an error in the future.
// @see https://www.drupal.org/node/3318826
if (!empty($key) && ($key[0] === '@' || $key[0] === '%' || $key[0] === ':')) {
if (is_scalar($variable) || is_null($variable) || $variable instanceof \Stringable) {
$variables[$key] = $variable;
}
}
}
return $variables;
}
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