Several common functions of Url, common functions of Url_PHP tutorial

Several common functions of Url, common functions of Url

parse_url()

This function parses a URL and returns an associative array containing the various components that appear in the URL.

This function is not used to verify the validity of the given URL, but to break it down into the parts listed below. Incomplete URLs are also accepted and parse_url() will try to parse them as correctly as possible.

    <span>$_url</span> = "http://www.baidu.com/web?id=15&page=5"<span>;
    $_par = pares_url($_url);
    </span><span>var_dump</span>($_par);<br /><br />输出结果：

<span>array</span>(4<span>) {
  [</span>"scheme"]=>
  <span>string</span>(4) "http"<span>
  [</span>"host"]=>
  <span>string</span>(13) "www.baidu.com"<span>
  [</span>"path"]=>
  <span>string</span>(4) "/web"<span>
  [</span>"query"]=>
  <span>string</span>(12) "id=15&page=5"<span>
}</span>

parse_str()

Parse the string into multiple variables

    <span>parse_str</span>(<span>$_par</span>['query'],<span>$_query</span><span>);
    </span><span>var_dump</span>(<span>$_query</span><span>);

输出结果：
</span><span>array</span>(2<span>) {
  [</span>"id"]=>
  <span>string</span>(2) "15"<span>
  [</span>"page"]=>
  <span>string</span>(1) "5"<span>
}</span>

http_bulid_query()

Generate a URL-encoded request string using the given associative (or subscript) array.

    <span>unset</span>(<span>$_query</span>['page']);  <span>//</span><span>清空page</span>
    <span>var_dump</span>(<span>http_build_query</span>(<span>$_query</span><span>));

输出：


</span><span>string</span>(5) "id=15"

Used to parse, split, and reorganize URL strings.

http://www.bkjia.com/PHPjc/1063516.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1063516.htmlTechArticleUrl several commonly used functions, Url common function parse_url() This function parses a URL and returns an associative array, Contains various components that appear in the URL. This function is not used to verify...