Modify the port component

# Uri\Rfc3986\Uri::withPort

(PHP 8 >= 8.5.0)

Uri\Rfc3986\Uri::withPort — Modify the port component

### 说明

public function Uri\Rfc3986\Uri::withPort(?int `$port`): static

Creates a new URI and modifies its port component.

### 参数

`port`
  New port 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::withPort() basic example

    <?php
    $uri = new \Uri\Rfc3986\Uri("https://example.com:8080");
    $uri = $uri->withPort(443);

    echo $uri->getPort();
    ?>

以上示例会输出：

    443

### 参见

- Uri\Rfc3986\Uri::getPort() - Retrieve the normalized port component
- Uri\WhatWg\Url::withPort() - Modify the port component

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