A very small problem with uploading image in my script

radiations3 · April 14, 2012

I have this code and its working awsomely fine if i provide a direct link of an uploaded image.

Just and just only one problem i am not able to pass my uploaded image to facebook->api (whether its valid or not) and the following always echo

echo 'Only jpg, png and gif image types are supported!';

i even remove the check on image type and try to get the image from

$img = realpath($_FILES["pic"]["tmp_name"]);

but $img gets nothing in it and uploads a by default empty image on facebook as my page

Kindly check my following code and let me know what is wrong with my code and what should i do instead to upload images

Online link of the following CODE: http://radiations3.com/facebook/1.php

 <?
    
    
    require 'src/facebook.php';
    
    $app_id = "364900470214655";
    $app_secret = "xxxxxxxx";
    
    $facebook = new Facebook(array(
     'appId' => $app_id,
     'secret' => $app_secret,
     'cookie' => true,
     'fileUpload' => true,
    ));
    
    $user = $facebook->getUser();
    //echo $user;
    
    if(($facebook->getUser())==0)
    {
     header("Location:{$facebook->getLoginUrl(array('req_perms' => 'user_status,publish_stream,user_photos,offline_access,manage_pages'))}");
     exit;
    }
    else {
    $accounts_list = $facebook->api('/me/accounts');
    echo "i am connected";
    }
      $valid_files = array('image/jpeg', 'image/png', 'image/gif');
    
    
    //to get the page access token to post as a page
    foreach($accounts_list['data'] as $account){
          if($account['id'] == 194458563914948){      // my page id =123456789
            $access_token = $account['access_token'];
            echo "<p>Page Access Token: $access_token</p>";
            }
        }
    
    //posting to the page wall
    
    if (isset($_FILES) && !empty($_FILES))
    {  
    if( !in_array($_FILES['pic']['type'], $valid_files ) )
    {
      echo 'Only jpg, png and gif image types are supported!';
     }
     else{
      #Upload photo here
      $img = realpath($_FILES["pic"]["tmp_name"]);
    $attachment = array('message' => 'this is my message',
                    'access_token'  => $access_token,
                    'name' => 'This is my demo Facebook application!',
                    'caption' => "Caption of the Post",
                    'link' => 'example.org',
                    'description' => 'this is a description',
                    'picture' => '@' . $img,
                    'actions' => array(array('name' => 'Get Search',
                                      'link' => 'http://www.google.com'))
                    );
    $status = $facebook->api('/194458563914948/feed', 'POST', $attachment);   // my page id =123456789
    var_dump($status);
    }
    }
    ?>
    <body>
     <!-- Form for uploading the photo -->
     <div class="main">
      <p>Select a photo to upload on Facebook Fan Page</p>
      <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>" enctype="multipart/form-data">
      <p>Select the image: <input type="file" name="pic" /></p>
      <p><input class="post_but" type="submit" value="Upload to my album" /></p>
      </form>
     </div>
    </body>

MMDE · April 14, 2012

action="<?php echo $_SERVER['PHP_SELF']; ?>"

There is no point in this. It's only a security risk, and as I said it's pointless, because you can do this instead:

action=""

if (isset($_FILES) && !empty($_FILES))

This is also pretty pointless in my opinion, because this does the same:

if(!empty($_FILES))

Something I scrambled down now... see if you can make any sense of it! I tested it to work, and it uploads and place the file in the same folder with a unique name. You can then do whatever you want with it from there.

<?php
if(!empty($_FILES)){
while(true){
	$unique_temp_filename = uniqid('TMP_PIX_', true).'.'.preg_replace('/.*?\//', '', $_FILES['pic']['type']);
	if(!file_exists(basename($unique_temp_filename))){
		break;
	}
}
move_uploaded_file($_FILES['pic']['tmp_name'], basename($unique_temp_filename));
echo realpath($unique_temp_filename);
}
?>
<form method="post" action="" enctype="multipart/form-data">
<p>Select the image: <input type="file" name="pic" /></p>
<p><input class="post_but" type="submit" value="Upload to my album" /></p>
</form>

radiations3 · April 14, 2012

:confused:

Thanx for providing me a piece of code ...

I have made successfully this functionality by uploading images first on my server and give its respective url to upload that pic on my FB FAN PAGE

I wanted to do something like without uploading it on my server and directly upload it to my facebook page if you can give me a piece of code for that i'll really appreciate that..

Even i did that too successfully but when i put that piece of code in this one that didn't work and started to give errors like unvalid file format etc as mentioned in the description....

OLD CODE THT SUCCESSFULY UPLOADS IMAGES TO MY CERTAIN ALBUM OF PAGE

if(isset($_FILES) && !empty($_FILES)){

if( !in_array($_FILES['pic']['type'], $valid_files ) ){

echo 'Only jpg, png and gif image types are supported!';

}else{

#Upload photo here

$img = realpath($_FILES["pic"]["tmp_name"]);

$args = array(

'message' => 'This photo was uploaded via Radiations3',

'image' => '@' . $img,

'aid' => $album_id,

'no_story' => 1,

'access_token' => $fanpage_token

);

$photo = $facebook->api('/194458563914948/feed', 'post', $args);

if( is_array( $photo ) && !empty( $photo['id'] ) ){

echo '<p><a target="_blank" href="http://www.facebook.com/photo.php?fbid='.$photo['id'].'">Click here to watch this photo on Facebook.</a></p>';

}

MMDE · April 14, 2012

Please anyone correct me if I'm wrong!

I believe your server needs to receive the image for it to work with PHP. Maybe JavaScript can do it without uploading to your server?

Whenever you use a form and that $_FILES global, I believe you upload the image to the server.

radiations3 · April 15, 2012

one last question

kindly tell me the php code to delete any image from our server,

So , it'll do the trick like -> firstly upload te image to my Server then FB then thtat pic got deleted from my server...

MMDE · April 15, 2012

one last question

kindly tell me the php code to delete any image from our server,

So , it'll do the trick like -> firstly upload te image to my Server then FB then thtat pic got deleted from my server...

unlink

radiations3 · April 15, 2012

Thanx!

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A very small problem with uploading image in my script

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