1

I am trying to code as follows:

$uri='public://admin/myfile.txt';

but if (file_exists($uri)) fails

the complete path

$uri='/var/www/html/www.mydomain.com/sites/default/files/admin/myfile.txt';

works and passes (file_exists($uri))

drupal_realpath('public://') returns /var/www/html/www.mydomain.com/sites/default/files

What am I missing here?

  • Why not try this $uri = drupal_realpath('public://').'admin/myfile.txt'; – Nabil Feb 4 '14 at 12:47
  • Thanks, I tried that earlier myself but it doesn't work either. – Karin Feb 4 '14 at 12:57
  • @Karin Dumb questions: Your public file system is correctly set and you're using PHP 5+? Did you run the checks mentioned here stackoverflow.com/questions/4634797/… ? – berliner Feb 4 '14 at 14:01
2

The path 'public://admin/myfile.txt' is not a real path (because of the 'public://'-part, which is a drupal-custom), it's a stream-wrapper-path (see link at end of answer).

file_exists() can only process real-paths and registered stream-wrapper-paths

This means for you: Either your Drupal-installation didn't register it's custom stream-wrapper or your server-isp deactivated the stream-wrappers on your server/account.

You should check your php-config for Filesystem and Streams Configuration Options: http://www.php.net/manual/en/filesystem.configuration.php

More info on php's stream-wrappers:
http://www.php.net/manual/en/wrappers.php

BTW: Registering of custom stream-wrappers is supported by PHP 4.3.2+

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