index.php

<?php



$rows=[
"/page1.html",
"/cocktails/receipe/page1.html",
"/cocktails/receipe/page2.html",
"/cocktails/page3.html",
"/article/magazine",
"/article/mood/page1.html"];

$res = [];
$i=0;
foreach($rows as $row){
    
    $suffix = preg_replace("#https?://[^/]*#", "", $row);

    $parts = array_values(array_filter(preg_split("#[/\?]#", $suffix)));
    $res = create($parts, $res);    
}

$data=['name' => '/','children' =>$res];

var_dump($data);

$json = json_encode($data);



function create($path, $res){
    #print(path[0],dictionary)


    if (empty($path))
        return;

    foreach($res as $ele){
        
        if (array_key_exists("name", $ele) && $ele['name'] == $path[0]){
            if (!array_key_exists("children", $ele)){ 
                $ele['children'] = []; 
            }

            if (count($path) > 1){
                create(array_slice($path, 1), $ele['children']);
            }
            return;
        }
    }
    
    $newvalue = ["name" => $path[0]];

    
    if (count($path)>1){
        $newvalue['children'] = [];
    }
    
    
    $res[] = $newvalue;

    

    if (count($path)> 1){
        create(array_slice($path, 1), end($res)['children']);
    }

    return $res;
}