function DeprecationListenerTrait::registerErrorHandler

Registers an error handler that wraps Symfony's DeprecationErrorHandler.

See also

\Symfony\Bridge\PhpUnit\DeprecationErrorHandler

\Symfony\Bridge\PhpUnit\Legacy\SymfonyTestsListenerTrait

File

core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php, line 158

Class

DeprecationListenerTrait

Removes deprecations that we are yet to fix.

Namespace

Code

protected function registerErrorHandler() {
    if ($this->previousHandler || 'disabled' === getenv('SYMFONY_DEPRECATIONS_HELPER')) {
        return;
    }
    $deprecation_handler = function ($type, $msg, $file, $line, $context = []) {
        // Skip listed deprecations.
        if (($type === E_USER_DEPRECATED || $type === E_DEPRECATED) && static::isDeprecationSkipped($msg)) {
            return;
        }
        // Drupal 9 uses PHP syntax that's deprecated in PHP 8.2.
        if (PHP_VERSION_ID >= 80200 && $type === E_DEPRECATED) {
            return;
        }
        return call_user_func($this->previousHandler, $type, $msg, $file, $line, $context);
    };
    $this->previousHandler = set_error_handler($deprecation_handler);
}