parse_url.php

<?php

function my_parse_url($inputString){
  $allowed_protocols = ["https", "http"];
  
  $input_string = $inputString;
  $protocol = "";
  $hostname = "";
  $subdomain = "";
  $domain = "";
  $tld = "";
  $paths = "";
  $queries = [];
  
  $temp;
  $temp2;
  
  foreach($allowed_protocols as $_protocol) {
	  $isProtocol = _protocol == substr($input_string, 0, count($_protocol)); 
	  if(!$isProtocol){continue;}
	  $isSplitter = "://" == substr($input_string, count($_protocol), count($_protocol)+3); 
	  if(!$isSplitter){break;}
    $protocol = $_protocol;
  }
  
  if($protocol) $input_string = substr(input_string, 0, count($protocol)+3);
  	
  
  $temp = explode("/", $input_string);
  $hostname = temp.shift();
  $paths = temp.join("/").split("#")[0].split("?")[0];

  $temp2 = temp[count(temp)-1];
  $temp2 = explode("#", $temp2)[0];
  $temp2 = explode("?", $temp2)[1];
  $temp2 = explode("&", $temp2);

  if($temp2) {
    foreach( $temp2 as $item){
      $_temp = explode("=", $item);
      if(count($_temp)==2) $queries[$_temp[0]] = $_temp[1];
    }
  }

  $temp = explode(".", hostname);

  return ["protocol"=>$protocol, "hostname"=>$hostname, "paths"=>$paths, "queries"=>$queries];
}

print_r(my_parse_url("https://www.naver.com"));