(PHP 8 >= 8.5.0)
Uri\WhatWg\Url::getScheme — Retrieve the scheme component
此函数没有参数。
Returns the scheme component as a string if the scheme component exists, null is returned otherwise.
示例 #1 Uri\WhatWg\Url::getScheme() basic example
<?php
$url = new \Uri\WhatWg\Url("https://example.com");
echo $url->getScheme();
?>以上示例会输出：
https