public static function ResourceManager::isValidCallback in RESTful 7.2

Determine if a callback is valid.

Parameters

mixed $callback: There are 3 ways to define a callback:

• String with a function name. Ex: 'drupal_map_assoc'.
• An array containing an object and a method name of that object. Ex: array($this, 'format').
• An array containing any of the methods before and an array of parameters to pass to the callback. Ex: array(array($this, 'processing'), array('param1', 2))

Return value

bool TRUE if the provided callback can be used in static::executeCallback.

Overrides ResourceManagerInterface::isValidCallback

1 call to ResourceManager::isValidCallback()

Resource::getControllerFromPath in src/Plugin/resource/Resource.php

Return the controller for a given path.

File

src/Resource/ResourceManager.php, line 197

Contains \Drupal\restful\Resource\ResourceManager.

Class

ResourceManager

Namespace

Drupal\restful\Resource

Code

public static function isValidCallback($callback) {

  // Valid callbacks are:
  //   - 'function_name'
  //   - 'SomeClass::someStaticMethod'
  //   - array('function_name', array('param1', 2))
  //   - array($this, 'methodName')
  //   - array(array($this, 'methodName'), array('param1', 2))
  if (!is_callable($callback)) {
    if (is_array($callback) && count($callback) == 2 && is_array($callback[1])) {
      return static::isValidCallback($callback[0]);
    }
    return FALSE;
  }
  return TRUE;
}