Thank you Chris, you give me the clue
Using your method discover wrong pair of brackets, that make that
$url_rss become inside a function, so, the variable was look as local
variable, not a global one; then, the value become null.
- Blinded inside the box.
Quoting Chris <[email protected]>:
>
> Maybe you're doing something to $url_rss between setting it and before
> the fopen call.
>
> echo $url_rss;
>
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