php操作url 函数等
- pathinfo() - Returns information about a file path
- parse_str() - Parses the string into variables
- parse_url() - Parse a URL and return its components
- http_build_query() - Generate URL-encoded query string
- http_build_url() - Build a URL
- dirname() - Returns a parent directory's path
- basename() - Returns trailing name component of path
<?php // 获取文件名称 echo basename("/data/www/test/filesystem.php"),"\n"; // 获取目录名称 echo dirname("/data/www/test/filesystem.php"),"\n"; echo __DIR__,"\n"; // 操作一个url，获取相关信息（注意php函数的使用 // parse_url处理url足够了。。第二个可选参数是php常量，直接获取数组中的某个value $url_info = parse_url('http://www.google.com/abc/xyz/fck.php?id=1#sharp'); var_dump($url_info); $result = pathinfo($url_info['path']);// pathinfo()可以info出一些文件名、目录名、后缀名等信息 var_dump($result); /** array(5) { ["scheme"]=> string(4) "http" ["host"]=> string(14) "www.google.com" ["path"]=> string(16) "/abc/xyz/fck.php" ["query"]=> string(4) "id=1" ["fragment"]=> string(5) "sharp" } array(4) { ["dirname"]=> string(8) "/abc/xyz" ["basename"]=> string(7) "fck.php" ["extension"]=> string(3) "php" ["filename"]=> string(3) "fck" } **/
php中全局变量$_SERVER的一个例子：http://www.test.com/a/b/one.php?a=12#shart
| Array | |
| ( | |
| [USER] => nginx | |
| [HOME] => /var/cache/nginx | |
| [FCGI_ROLE] => RESPONDER | |
| [QUERY_STRING] => a=12 | |
| [REQUEST_METHOD] => GET | |
| [CONTENT_TYPE] => | |
| [CONTENT_LENGTH] => | |
| [SCRIPT_NAME] => /a/b/one.php | |
| [REQUEST_URI] => /a/b/one.php?a=12 | |
| [DOCUMENT_URI] => /a/b/one.php | |
| [DOCUMENT_ROOT] => /data/www/test | |
| [SERVER_PROTOCOL] => HTTP/1.1 | |
| [GATEWAY_INTERFACE] => CGI/1.1 | |
| [SERVER_SOFTWARE] => nginx/1.6.2 | |
| [REMOTE_ADDR] => 192.168.80.190 | |
| [REMOTE_PORT] => 54281 | |
| [SERVER_ADDR] => 192.168.0.99 | |
| [SERVER_PORT] => 80 | |
| [SERVER_NAME] => www.test.com | |
| [REDIRECT_STATUS] => 200 | |
| [SCRIPT_FILENAME] => /data/www/test/a/b/one.php | |
| [HTTP_HOST] => www.test.com | |
| [HTTP_CONNECTION] => keep-alive | |
| [HTTP_CACHE_CONTROL] => max-age=0 | |
| [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 | |
| [HTTP_UPGRADE_INSECURE_REQUESTS] => 1 | |
| [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36 | |
| [HTTP_ACCEPT_ENCODING] => gzip, deflate, sdch | |
| [HTTP_ACCEPT_LANGUAGE] => zh-CN,zh;q=0.8 | |
| [PHP_SELF] => /a/b/one.php | |
| [REQUEST_TIME] => 1456887300 | |
| ) |
