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I currently have a PI3 on my home network. With my LAMP apache, I keep the www folder on the USB drive - let's call it "/media/USB32/www". My user id is Tony.
I have added my user-id to group www-data. I can access the www folder for editing from a Windows PC, and I can access it via puTTY.
Apache can show a webpage on it, but Apache cannot write or update a file on it via a HTML Form using Fopen or Fwrite. Pretty sure my PHP is correct.

The error given is fwrite() expects parameter 1 to be resource, boolean given Any idea where my error(s) are?

closed as off-topic by Steve Robillard, goldilocks Oct 10 '18 at 14:08

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question does not appear to be specific to the Raspberry Pi within the scope defined in the help center." – goldilocks
If this question can be reworded to fit the rules in the help center, please edit the question.

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    We are going to see the code to help further, but the parameter you are passing to fwrite is of the wrong type. having said that this is not a Pi specific question and may be better on our sister site stackoverflow. – Steve Robillard Oct 9 '18 at 22:44
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    Welcome -- but as Steve points out 1) General programming belongs on Stack Overflow; 2) People expect to see the actual code that doesn't do what you think ("pretty sure my php...") is correct. Finally, it seems you have lost your original credentials. If you wish to merge the accounts or something, see the stuff under "My Account" in the help center. – goldilocks Oct 10 '18 at 14:13

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