public function CallbackHandler::call in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/zendframework/zend-stdlib/src/CallbackHandler.php \Zend\Stdlib\CallbackHandler::call()

Invoke handler

Parameters

array $args Arguments to pass to callback:

Return value

mixed

1 call to CallbackHandler::call()

CallbackHandler::__invoke in vendor/zendframework/zend-stdlib/src/CallbackHandler.php

Invoke as functor

File

vendor/zendframework/zend-stdlib/src/CallbackHandler.php, line 78

Class

CallbackHandler

CallbackHandler

Namespace

Zend\Stdlib

Code

public function call(array $args = []) {
  $callback = $this
    ->getCallback();
  $argCount = count($args);
  if (is_string($callback)) {
    $result = $this
      ->validateStringCallbackFor54($callback);
    if ($result !== true && $argCount <= 3) {
      $callback = $result;

      // Minor performance tweak, if the callback gets called more
      // than once
      $this->callback = $result;
    }
  }

  // Minor performance tweak; use call_user_func() until > 3 arguments
  // reached
  switch ($argCount) {
    case 0:
      return $callback();
    case 1:
      return $callback(array_shift($args));
    case 2:
      $arg1 = array_shift($args);
      $arg2 = array_shift($args);
      return $callback($arg1, $arg2);
    case 3:
      $arg1 = array_shift($args);
      $arg2 = array_shift($args);
      $arg3 = array_shift($args);
      return $callback($arg1, $arg2, $arg3);
    default:
      return call_user_func_array($callback, $args);
  }
}