How to get root url of my application

[sshuvro58]

I want to print the root URL of my application folder . like http://localhost/metro/ , here metro is my folder where I am working .

No matter which directory I am currently in it will print out the http://localhost/metro/

I have tried this

<li class=""><a href="<?php $server = $_SERVER['HOST'] .'/metro';echo $server;?>" target="_self" class="">Home</a></li>

But doesn’t work , Actually I want to build a navigation menu , by which can I always navigate to the place I want , no matter which place I am currently in

[__]

I have tried this

<li class=""><a href="<?php $server = $_SERVER['HOST'] .'/metro';echo $server;?>" target="_self" class="">Home</a></li>

That would work, except for the fact that $_SERVER["HOST"] —unless you created it yourself— doesn’t exist. I would suspect you’re thinking of $_SERVER["HTTP_HOST"]?

A better solution might be to define a constant: for example, if the above gives you the correct value:

define( "MY_ROOT_URL",$_SERVER["HTTP_HOST"]."/metro" );

then,

<a href="<?= MY_ROOT_URL ?>">Home</a>

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