Relative and/or Absolute path in PHP

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I’ve done a few searches on Stackoverflow about Absolute path and relative path, but none of the solutions worked for what I need. I need the $host (example below) point to where my index.php dynamically, that is, if you change the hosting do not need to change the address manually. Any suggestions?

$host."index.php?id=2&url=".$link."&title=".$noticia."&s=1&logo=".$foto;

$host = "http://exemplo.com.br/teste/"
php

  • $host = ("http://".$_SERVER['HTTP_HOST']); this will return h ttp://example.com.br

  • In HTML, when to put a slash / the front of the file, you will be indicating that the path is relative to the root directory of the server. When doing /index.php, that will always point to the index.php from the root of the application, regardless of which domain it is. Would that solve your problem? Which to your second question, I will remove it for making the question too broad, but if you need it you can open a new question on the subject. I already advance and research on the native class DOMDocument that will probably be useful to you.

  • I had already tried these two alternatives, but with me it didn’t work.

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