Retrieve the raw scheme component

# Uri\Rfc3986\Uri::getRawScheme

(PHP 8 >= 8.5.0)

Uri\Rfc3986\Uri::getRawScheme — Retrieve the raw scheme component

### 说明

public function Uri\Rfc3986\Uri::getRawScheme(): ?string

Retrieves the raw (non-normalized) scheme component.

### 参数

此函数没有参数。

### 返回值

Returns the raw scheme component as a string if the scheme component exists, `null` is returned otherwise.

### 示例

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

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

    echo $uri->getRawScheme();
    ?>

以上示例会输出：

    https

### 参见

- Uri\Rfc3986\Uri::getScheme() - Retrieve the normalized scheme component
- Uri\Rfc3986\Uri::withScheme() - Modify the scheme component
- Uri\WhatWg\Url::getScheme() - Retrieve the scheme component

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