Re: Warning: file_get_contents(): Filename cannot be empty

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On Mon, 2015-03-09 at 11:18 +0300, hadi wrote:
> 
> > -----Original Message-----
> > From: Ashley Sheridan [mailto:ash@xxxxxxxxxxxxxxxxxxxx]
> > Sent: Monday, March 09, 2015 10:46 AM
> > To: hadi
> > Cc: 'Marcos Almeida Azevedo'; 'PHP General'
> > Subject: Re:  Warning: file_get_contents(): Filename cannot be empty
> > 
> > On Mon, 2015-03-09 at 10:40 +0300, hadi wrote:
> > >
> > > > -----Original Message-----
> > > > From: Ashley Sheridan [mailto:ash@xxxxxxxxxxxxxxxxxxxx]
> > > > Sent: Monday, March 09, 2015 10:31 AM
> > > > To: Marcos Almeida Azevedo
> > > > Cc: hadi; PHP General
> > > > Subject: Re:  Warning: file_get_contents(): Filename cannot be
> > > > empty
> > > >
> > > > On Mon, 2015-03-09 at 15:25 +0800, Marcos Almeida Azevedo wrote:
> > > > > > Hi every one,
> > > > > >
> > > > > > Im getting error while using  file_get_contents(): function.
> > > > > >
> > > > > > (Warning: file_get_contents(): Filename cannot be empty)
> > > > > >
> > > > > > Im using file_get_contents(): function to get urls links from
> > > > > ($convert)
> > > > > > variable.
> > > > > >
> > > > > > Here is my code
> > > > > >
> > > > > > <?php
> > > > > >
> > > > > >
> > > > > > error_reporting(E_ALL);
> > > > > > ini_set("display_errors", 1);
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > $url = "http://www.sahafah.net/rss.php";;
> > > > > >
> > > > > >
> > > > > > $rss = file_get_contents($url);
> > > > > >
> > > > >
> > > > >
> > > > > I believe file_get_contents should be used on a local file and not
> > > > > remote or over http
> > > >
> > > > You can use file_get_contents() on URLs, but you need to have the
> > > > allow_url_fopen ini setting on, which a lot of shared hosting
> > > > providers won't allow. I don't remember if this is on or off by default.
> > >
> > > allow_url_fopen its on in my system, im using php on windows with
> > apache.
> > >
> > > What about im getting error from file_get_contents().....
> > >
> > >
> > >
> > 
> > I just made a quick test script and this works fine:
> > 
> > <?php
> > $url = "http://www.sahafah.net/rss.php";; $rss = file_get_contents($url);
> > 
> > var_dump($rss);
> > 
> > 
> > So it sounds like something on your system. Can you confirm that
> > allow_url_fopen is on (with a phpinfo() call perhaps or an ini_get()
> > call)
> > 
> > Next thing to check is the Windows firewall. It could be blocking the
> > outbound call.
> 
> 
> Ash,
> 
> Im ably to get the url data, but im not able to get the image from the url. 
> If you see my code you will notice that im grapping the image like this, 
> 
> > $string2 = $item->description;
> > preg_match('/http.*.jpg/',$string2,$match2);
> 
> and convert match2 from array to string.
> 
> > $convert = implode(",", $match2);
> 
> And finally use  file_get_contents to get urls image from $convert 
> 
> // Read image path, convert to base64 encoding
>     $imageData = base64_encode(file_get_contents($convert));
> 
>     // Format the image SRC:  data:{mime};base64,{data};
>     $src = 'data: '.exif_imagetype($convert).';base64,'.$imageData;
> 
>     // Echo out a sample image
>     echo '<img src="', $src, '">';
> 
> 

Ah, as your initial mail just had your entire code and the error with no
line numbers, I assumed the first file_get_contents() call was the
issue.

What happens when you debug your code? What does $convert contain? Is it
a string containing a URL?

Thanks,
Ash

http://www.ashleysheridan.co.uk




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