null : Variable to assign key to * 'byRef' => false : Whether to assign value by reference * 'stmts' => array(): Statements * @param array $attributes Additional attributes */ public function __construct(Node\Expr $expr, Node\Expr $valueVar, array $subNodes = [], array $attributes = []) { $this->attributes = $attributes; $this->expr = $expr; $this->keyVar = $subNodes['keyVar'] ?? null; $this->byRef = $subNodes['byRef'] ?? false; $this->valueVar = $valueVar; $this->stmts = $subNodes['stmts'] ?? []; } public function getSubNodeNames(): array { return ['expr', 'keyVar', 'byRef', 'valueVar', 'stmts']; } public function getType(): string { return 'Stmt_Foreach'; } }