Alternative switch statement for PHP Class

GetTemplates.php

<?php
    namespace Yournamespace;

    class GetTemplates{  
    
    /*
    * dirname(__DIR__)./templates/ is your templates path
    * $layout_id is file name
    */
    
    public static function section($section,$layout_id){
    
        $root = file_get_contents(dirname(__DIR__) . '/templates'.'/'.$layout_id.'.html');
        $section_act = file_get_contents(__DIR__) . '/templates'.'/'.$layout_id.'.html');
        $item_cont = file_get_contents(__DIR__) . '/templates'.'/'.$layout_id.'.html');
        $item = file_get_contents(dirname(__DIR__) . '/templates'.'/'.$layout_id.'.html');
        
        if($$section!==null){
            return $$section;
        } 
        return "File not found Error";       
    }
}


// Instantiate e.g.
// returns $section_act

GetTemplates::section('section_act',$layout));