function ChainElement::setOptional

Sets the optional flag that is true if the node is in the optional part of a chain expression

Parameters

bool $optional Optional flag:

Return value

$this

File

vendor/mck89/peast/lib/Peast/Syntax/Node/ChainElement.php, line 50

Class

ChainElement

A node that represents a chain element.

Namespace

Peast\Syntax\Node

Code

public function setOptional($optional) {
    $this->optional = (bool) $optional;
    return $this;
}