/**
* @param Node $key
* Array element's key.
* @param Node $value
* Array element's value.
*
* @return ArrayPairNode
*/
public static function create($key, $value)
{
$node = new ArrayPairNode();
$node->addChild($key, 'key');
$node->addChild(Token::space());
$node->addChild(Token::doubleArrow());
$node->addChild(Token::space());
$node->addChild($value, 'value');
return $node;
}
/**
* Parse an array pair.
* @return Node
*/
private function arrayPair()
{
if ($this->currentType === '&') {
return $this->writeVariable();
}
$node = $this->expr();
if ($this->currentType === T_DOUBLE_ARROW) {
$expr = $node;
$node = new ArrayPairNode();
$node->addChild($expr, 'key');
$this->mustMatch(T_DOUBLE_ARROW, $node);
if ($this->currentType === '&') {
$node->addChild($this->writeVariable(), 'value');
} else {
$node->addChild($this->expr(), 'value');
}
}
return $node;
}
