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I need to get the path for public:// at runtime. Is there a fx call to resolve it?

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4 Answers 4

up vote 14 down vote accepted

You can use the following code, to obtain the real path of public://.

if ($wrapper = file_stream_wrapper_get_instance_by_uri('public://')) {
  $realpath = $wrapper->realpath();
}
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1  
@junedkazi's is a better answer. –  AlessMascherpa Apr 29 at 9:08
    
Read the code used by file_create_url(); you will see the executed code, in this case, is exactly the one I wrote in my answer. –  kiamlaluno Apr 29 at 9:13
    
Thanks @kiamlaluno. That proves my point. –  AlessMascherpa Apr 29 at 11:26
    
this will get you the full server path, not the url. –  DrCord Jul 29 at 21:04
    
@DrCord It gives you the same thing that file_create_url() gives you. –  kiamlaluno Jul 30 at 6:28

You can use the file_create_url function.

$uri = 'public://';
$path= file_create_url($uri)
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This gets you the url, but including the server. I used a simple regex and the global $base_url to remove it and make this server agnostic. global $base_url; $path = file_create_url($file_object->uri); $path = preg_replace('#' . $base_url . '#', '', $path); Make sure to use the '#' in the regex, otherwise the replace will fail due to an un-escaped '/' in the $base_url. –  DrCord Jul 29 at 21:05

In case if you are using only local files (not remote!) you can also try drupal_realpath()

$path = 'public://custom_map';
drupal_realpath($path);

It will return:

D:\Work\OpenServer\domains\local.testsite.com\sites\default\files\custom_map
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This returns a path and not a URL, which is what the question asks for. In my opinion this is better than the accepted answer. –  Scott Joudry May 11 at 19:28
    
api.drupal.org/api/drupal/includes!file.inc/function/… . drupal_realpath() is deprecated as seen in the comments. –  Wordzilla 2 days ago

See the following examples:

$scheme = file_uri_scheme($file);

if ($scheme && file_stream_wrapper_valid_scheme($scheme)) {
  $wrapper = file_stream_wrapper_get_instance_by_scheme($scheme);
  $path = $wrapper->getLocalPath($file);
}

or:

$wrapper = file_stream_wrapper_get_instance_by_uri($uri);
$path = $wrapper->getDirectoryPath() . "/" . file_uri_target($uri);
print $path;

Check API for DrupalPublicStreamWrapper.

Using file_create_url() doesn't work (as the other answers suggest), because the URL returned doesn't have to be on the same server. And using $_SERVER['DOCUMENT_ROOT'] works only for certain server configurations.

If you don't want to use stream wrappers, you may try the simplest solution:

$path = variable_get('file_public_path', conf_path() . '/files') . '/' . file_uri_target($uri);

Otherwise if you need something that works more generally, check @hannanxp's solution:

$wrapper = file_stream_wrapper_get_instance_by_uri($uri);
if ($wrapper instanceof DrupalLocalStreamWrapper) {
  $path = $wrapper->getDirectoryPath() . '/' . file_uri_target($uri);
}
else {
  // This does not appear to be a local file so there's no such thing as
  // a relative path; do appropriate error handling here.
}

Read more: How can I convert a file uri to relative path?


Related:

Why drupal_realpath('public://') returns sites/all/modules/current_module/sites/default/files path?

How do I get the public url of a file from the uri or filename

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