Write full attribute

# XMLWriter::writeAttribute

# xmlwriter_write_attribute

(PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL xmlwriter >= 0.1.0)

XMLWriter::writeAttribute -- xmlwriter_write_attribute — Write full attribute

### 说明

面向对象风格

public function XMLWriter::writeAttribute(string `$name`, string `$value`): bool

过程化风格

function xmlwriter_write_attribute(XMLWriter `$writer`, string `$name`, string `$value`): bool

Writes a full attribute.

### 参数

`xmlwriter`
  仅用于过程调用。被修改的 XMLWriter 实例对象。此资源来自于对 xmlwriter_open_uri() 或 xmlwriter_open_memory() 的调用。
`name`

  The name of the attribute.

`value`

  The value of the attribute.

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 更新日志

版本 | 说明
--- | ---
8.0.0 | 现在 `writer` 需要 XMLWriter 实例， 之前需要的是 resource。

### 示例

示例 #1 Intermixing Sub-elements and Attributes

If writing sub-elements and attributes is intermixed, any attempt to write attributes after the first sub-element will fail and return false.

    <?php
    $xml = new XMLWriter();
    $xml->openMemory();

    $xml->startElement('element');
    $xml->writeAttribute('attr1', '0');
    $xml->writeElement('subelem', '0');
    var_dump($xml->writeAttribute('attr2', '0'));
    $xml->endElement();

    echo $xml->flush();
    ?>

以上示例会输出：

    bool(false)
    <element attr1="0"><subelem>0</subelem></element>

### 参见

- XMLWriter::writeAttributeNs() - Write full namespaced attribute
- XMLWriter::startAttribute() - Create start attribute
- XMLWriter::startAttributeNs() - Create start namespaced attribute
- XMLWriter::endAttribute() - End attribute

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