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 */
public Error::__construct(string $message = "", int $code = 0, ?Throwable $previous = null)
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
}