<?php declare(strict_types=1);
namespace PhpParser\Builder;
use PhpParser\BuilderHelpers;
use PhpParser\Node;
abstract class FunctionLike extends Declaration
{
protected $returnByRef = false;
protected $params = [];
/** @var string|Node\Name|Node\NullableType|null */
protected $returnType = null;
/**
* Make the function return by reference.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeReturnByRef() {
$this->returnByRef = true;
return $this;
}
/**
* Adds a parameter.
*
* @param Node\Param|Param $param The parameter to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addParam($param) {
$param = BuilderHelpers::normalizeNode($param);
if (!$param instanceof Node\Param) {
throw new \LogicException(sprintf('Expected parameter node, got "%s"', $param->getType()));
}
$this->params[] = $param;
return $this;
}
/**
* Adds multiple parameters.
*
* @param array $params The parameters to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addParams(array $params) {
foreach ($params as $param) {
$this->addParam($param);
}
return $this;
}
/**
* Sets the return type for PHP 7.
*
* @param string|Node\Name|Node\NullableType $type One of array, callable, string, int, float,
* bool, iterable, or a class/interface name.
*
* @return $this The builder instance (for fluid interface)
*/
public function setReturnType($type) {
$this->returnType = BuilderHelpers::normalizeType($type);
return $this;
}
}