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swoole_async_write

(PECL swoole >= 1.9.0)

swoole_async_write — Write data to a file stream asynchronously

swoole_async_write(
    string $filename,
    string $content,
    int $offset = ?,
    callable $callback = ?
): bool

成功時(shí)返回 true，或者在失敗時(shí)返回 false。