Set the streams context for the next libxml document load or write

# libxml_set_streams_context

(PHP 5, PHP 7, PHP 8)

libxml_set_streams_context — Set the streams context for the next libxml document load or write

### 说明

function libxml_set_streams_context(resource `$context`): void

Sets the streams context for the next libxml document load or write.

### 参数

`context`

  The stream context resource (created with stream_context_create())

### 返回值

没有返回值。

### 错误／异常

Throws a TypeError when a non-stream resource is passed to `context`.

### 更新日志

版本 | 说明
--- | ---
8.4.0 | libxml_set_streams_context() now throws a TypeError when a non-stream resource is passed to `context`, instead of throwing later when the context is used.

### 示例

示例 #1 A libxml_set_streams_context() example

    <?php
    $opts = [
        'http' => [
            'user_agent' => 'PHP libxml agent',
        ]
    ];

    $context = stream_context_create($opts);
    libxml_set_streams_context($context);

    // request a file through HTTP
    $dom = new DOMDocument;
    $doc = $dom->load('http://www.example.com/file.xml');
    ?>

### 参见

- stream_context_create() - 创建资源流上下文

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