php实现相对路径转绝对路径
作者:admin 日期:2010-12-12
//将一个URL转换为完整URL
function format_url($srcurl, $baseurl) {
$srcinfo = parse_url($srcurl);
if(isset($srcinfo['scheme'])) {
return $srcurl;
}
$baseinfo = parse_url($baseurl);
$url = $baseinfo['scheme'].'://'.$baseinfo['host'];
if(substr($srcinfo['path'], 0, 1) == '/') {
$path = $srcinfo['path'];
}else{
$path = dirname($baseinfo['path']).'/'.$srcinfo['path'];
}
$rst = array();
$path_array = explode('/', $path);
if(!$path_array[0]) {
$rst[] = '';
}
foreach ($path_array AS $key => $dir) {
if ($dir == '..') {
if (end($rst) == '..') {
$rst[] = '..';
}elseif(!array_pop($rst)) {
$rst[] = '..';
}
}elseif($dir && $dir != '.') {
$rst[] = $dir;
}
}
if(!end($path_array)) {
$rst[] = '';
}
$url .= implode('/', $rst);
return str_replace('\\', '/', $url);
}
$srcurl = '../../guestbook.php';
$baseurl = 'https://blog.guanjianci.net/abc/def/ghi/index.html';
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