ValueError

(PHP 8)

简介

当参数类型正确但是值不正确的时候会抛出 ValueError。例如，当函数期望是正整数时传递负整数，或者当函数期望它不为空时传递空字符串/数组。

类摘要

class ValueError extends Error {

/* 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 */

final public Error::getMessage(): string

final public Error::getPrevious(): ?Throwable

final public Error::getCode(): int

final public Error::getFile(): string

final public Error::getLine(): int

final public Error::getTrace(): array

final public Error::getTraceAsString(): string

public Error::__toString(): string

private Error::__clone(): void

}