Create new xmlwriter using memory for string output

# XMLWriter::openMemory

# xmlwriter_open_memory

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

XMLWriter::openMemory -- xmlwriter_open_memory — Create new xmlwriter using memory for string output

### 说明

面向对象风格

public function XMLWriter::openMemory(): bool

过程化风格

function xmlwriter_open_memory(): XMLWriter|false

Creates a new XMLWriter using memory for string output.

### 参数

此函数没有参数。

### 返回值

面向对象风格: 成功时返回 `true`， 或者在失败时返回 `false`。

过程化风格: Returns a new XMLWriter for later use with the xmlwriter functions on success, 或者在失败时返回 `false`.

### 更新日志

版本 | 说明
--- | ---
8.0.0 | This function returns now an XMLWriter instance on success. Previously, a resource has been returned in this case.

### 参见

- XMLWriter::openUri() - Create new xmlwriter using source uri for output

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