PHP get URL Parameter Program code summary

Parse_url function

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

Description

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 _.

Instance

The code is as follows
$url = "http://www.45it.net/welcome/"; $parts = Parse_url ($url); Print_r ($parts); Array ( [Scheme] => http [Host] => www.45it.net [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);

Results

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