Neuron-PHP

EmptyActionParameter extends Base
in package

Exception thrown when a required action parameter is empty or missing.

This exception is typically thrown by command processors, routers, or other components that require a non-empty action parameter to determine which operation to execute. It indicates that the caller failed to provide a required action identifier.

Common scenarios:

  • Command pattern invokers receiving empty action names
  • Route processors missing required action parameters
  • API endpoints called without required action identifiers
  • Form processors missing action field values
Tags
example 
// Thrown when action parameter is empty
if (empty($action)) {
    throw new EmptyActionParameter('Action parameter cannot be empty');
}

// Caught in command processing
try {
    $invoker->process($action, $params);
} catch (EmptyActionParameter $e) {
    // Handle missing action parameter
    return $this->errorResponse('Action required');
}

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