php获取域名中的文件名

$url = 'http://example.com/path/to/file.php';
$filename = basename($url);
echo $filename; // 输出: file.php

$url = 'http://example.com/path/to/file.php';
$parsed_url = parse_url($url);
$path_parts = pathinfo($parsed_url['path']);
$filename = $path_parts['basename'];
echo $filename; // 输出: file.php

$url = 'http://example.com/path/to/file.php?query=1#fragment';
$parsed_url = parse_url($url);
$path = $parsed_url['path']; // 只获取路径部分
$filename = basename($path);
echo $filename; // 输出: file.php

$url = 'http://example.com/path/with%20spaces/file.php';
$decoded_url = urldecode($url);
$filename = basename($decoded_url);
echo $filename; // 输出: file.php