public LogMessageParser::parseMessagePlaceholders(&$message, array &$context)
Parses and transforms message and its placeholders to a common format.
For a value to be considered as a placeholder should be in the following formats:
- PSR3 format:
- Drupal specific string placeholder format:
Values in PSR3 format will be transformed to SafeMarkup::format() format.
Parameters
string $message: The message that contains the placeholders. If the message is in PSR3 style, it will be transformed to \Drupal\Component\Utility\SafeMarkup::format() style.
array $context: An array that may or may not contain placeholder variables.
Return value
array An array of the extracted message placeholders.
Overrides LogMessageParserInterface::parseMessagePlaceholders
See also
https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logg...
\Drupal\Component\Utility\SafeMarkup::format()
File
- core/lib/Drupal/Core/Logger/LogMessageParser.php, line 13
Class
- LogMessageParser
- Parses log messages and their placeholders.
Namespace
Drupal\Core\Logger
Code
public function parseMessagePlaceholders(&$message, array &$context) {
$variables = array();
$has_psr3 = FALSE;
if (($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;
}
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