The UnderflowException class

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

简介

Exception thrown when performing an invalid operation on an empty container, such as removing an element.

类摘要

class UnderflowException extends RuntimeException {
/* 继承的属性 */
protected string $message = "";
private string $string = "";
protected int $code;
protected string $file = "";
protected int $line;
private array $trace = [];
private ?Throwable $previous = null;
/* 继承的方法 */
public Exception::__construct(string $message = "", int $code = 0, ?Throwable $previous = null)
final public Exception::getMessage(): string
final public Exception::getPrevious(): ?Throwable
final public Exception::getCode(): int
final public Exception::getFile(): string
final public Exception::getLine(): int
final public Exception::getTrace(): array
final public Exception::getTraceAsString(): string
public Exception::__toString(): string
private Exception::__clone(): void
}