Modify the fragment component

# Uri\Rfc3986\Uri::withFragment

(PHP 8 >= 8.5.0)

Uri\Rfc3986\Uri::withFragment — Modify the fragment component

### 说明

public function Uri\Rfc3986\Uri::withFragment(?string `$fragment`): static

Creates a new URI and modifies its fragment component.

### 参数

`fragment`
  New fragment component.

### 返回值

The modified Uri\Rfc3986\Uri instance.

### 错误／异常

If the resulting URI is invalid, a Uri\InvalidUriException is thrown.

### 示例

示例 #1 Uri\Rfc3986\Uri::withFragment() basic example

    $uri = new \Uri\Rfc3986\Uri("https://example.com/#foo");
    $uri = $uri->withFragment("bar");

    echo $uri->getFragment();
    ?>

以上示例会输出：

    bar

### 参见

- Uri\Rfc3986\Uri::getFragment() - Retrieve the normalized fragment component
- Uri\Rfc3986\Uri::getRawFragment() - Retrieve the raw fragment component
- Uri\WhatWg\Url::withFragment() - Modify the fragment component

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