PHP get URL Parameter Program code summary

Source: Internet
Author: User
Tags explode php get url

Parse_url function

Let's take a look at the Parse_url function, the official solution


Mixed Parse_url (string $url [, int $component =-1])

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

This function is not used to verify the legality of a given URL, but to decompose it into the sections listed below. An incomplete URL is also accepted, and Parse_url () tries to parse it as correctly as possible.

The URL to resolve. Invalid characters will be replaced with _.


The code is as follows

$url = "";

$parts = Parse_url ($url);

Print_r ($parts);

[Scheme] => http
[Host] =>
[Path] =>/welcome/

You can also write an algorithm yourself!

The code is as follows

function Getparams ()
$url = '/index.php?_p=index&_a=show&x=12&y=23 ';

$refer _url = Parse_url ($url);

$params = $refer _url[' query '];

$arr = Array ();
if (!empty ($params))
$PARAMSARR = Explode (' & ', $params);

foreach ($paramsArr as $k => $v)
$a = explode (' = ', $v);
$arr [$a [0]] = $a [1];
return $arr;

Call method

The code is as follows

$arr = Getparams ();
Print_r ($arr);


Result: Array ([_p] => index [_a] => Show [x] => [y] =>)

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