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I have the following line in my script, but it fails to save the file in site/default/files folder. Is it possible I can replace public://feedproducts.xml with an actual absolute path to the files directory?

$file = file_save_data($sxe->asXML(),"public://feedproducts.xml",FILE_EXISTS_REPLACE);

This script runs from the command line, and is inside a sub-directory inside the root. It also loads Drupal Bootstrap.

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No. Read the docs on file_save_data(), it needs a valid URI. otherwise it will not work.

If file_save_data() is returning false with the above code, you're better off investigating why. It's likely a permission or some other problem preventing file I/O on that directory.

  • You are correct; however, I haven't been able to pinpoint what the issue is. I can save data using file_put_contents but not file_save_date. The permissions and path both seem to be ok. Any chance this might have anything to do with me running php 5.6? – farjam Oct 5 '15 at 13:59
  • I'm not familiar with any odd behavior with PHP 5.6 & the Drupal file API. I'd look through watchdog (and Apache too if it's logging anything) for any telltale signs from Drupal/PHP. Failing that, follow the flow of execution in file_unmanaged_save_data(). Somewhere in there the save operation is failing. – Shawn Conn Oct 5 '15 at 16:37
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All systems have a file stream wrapper, as far as I know, so try:

$uri = 'file:///absolute/path/to/file.ext';
file_save_data($sxe->asXml, $uri, FILE_EXISTS_REPLACE);
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The issue was that the script was running from a subdirectory. Calling chdir(DRUPAL_ROOT) before file_save_data() fixed it.

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