# RarArchive::isBroken

# rar_broken_is

(PECL rar >= 3.0.0)

RarArchive::isBroken -- rar_broken_is — Test whether an archive is broken (incomplete)

### 说明

面向对象风格 (method):

public RarArchive::isBroken(): bool

过程化风格:

rar_broken_is(RarArchive `$rarfile`): bool

This function determines whether an archive is incomplete, i.e., if a volume is missing or a volume is truncated.

### 参数

`rarfile`

  A RarArchive object, opened with rar_open().

### 返回值

Returns `true` if the archive is broken, `false` otherwise. This function may also return `false` if the passed file has already been closed. The only way to tell the two cases apart is to enable exceptions with RarException::setUsingExceptions(); however, this should be unnecessary as a program should not operate on closed files.

### 示例

示例 #1 面向对象风格

`<?php
function retnull() { return null; }
$file = dirname(__FILE__) . "/multi_broken.part1.rar";
/* Third argument is used to omit notice */
$arch = RarArchive::open($file, null, 'retnull');
var_dump($arch->isBroken());
?>`

以上示例的输出类似于：

    bool(true)

示例 #2 过程化风格

`<?php
function retnull() { return null; }
$file = dirname(__FILE__) . "/multi_broken.part1.rar";
/* Third argument is used to omit notice */
$arch = rar_open($file, null, 'retnull');
var_dump(rar_broken_is($arch));
?>`

### 参见

- RarArchive::setAllowBroken() - Whether opening broken archives is allowed

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