我需要实现函数来检查路径和网址是相对路径、绝对路径还是无效(在语法上无效-不是资源是否存在)。我应该寻找哪些情况的范围?
function check_path($dirOrFile) {
// If it's an absolute path: (Anything that starts with a '/'?)
return 'absolute';
// If it's a relative path:
return 'relative';
// If it's an invalid path:
return 'invalid';
}
function check_url($url) {
// If it's an absolute url: (Anything that starts with a 'http://' or 'https://'?)
return 'absolute';
// If it's a relative url:
return 'relative';
// If it's an invalid url:
return 'invalid';
}
<ocd>
在return
语句中,您忘记了关闭单引号。</ocd>
- Zirak