php - Call from template with $_GET -

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so i'm trying make own template site it's easy use , i'm trying figure out how include different paths.

currently have below nested inside of body navbar.php

<? include 'content.php' ?>

what i've tried is

<? $_get["path"]; include "$_get" . ".php"; ?>

i want change out content.php have less static pages. assume above isn't safe. alternative this?

if want make more secure, can use array checking includes pages:

<?php     $validpages = array('content', 'home', ...);      if(in_array($_get['path'], $validpages)) {         include($_get['path'].".php");     } ?>

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