The UnderflowException class

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

Introduction

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

Class synopsis

class UnderflowException extends RuntimeException {
/* Inherited properties */
protected string $message = "";
private string $string = "";
protected int $code;
protected string $file = "";
protected int $line;
private array $trace = [];
private ?Throwable $previous = null;
/* Inherited methods */
final public Exception::getMessage(): string
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
}