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How to save facebook user profile picture for my domains / websites using php

I want to save the facebook user profile picture on my disk, this is more like disabling the db user profile picture when they register in the first place. '

for example url is here.

https://graph.facebook.com/ {id} / picture

I want to store it in a specific directory. also if there is no image I also want to load the default placeholder which is GIF. the above url actually only has a placeholder.

I am new to php, please explain me in detail.

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2 answers 


<?php
$image = file_get_contents('https://graph.facebook.com/100003027438870/picture'); // sets $image to the contents of the url
file_put_contents('/path/image.gif', $image); // places the contents in the file /path/image.gif
?>


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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);

function curl_redir_exec($ch)
    {
        static $curl_loops = 0;
        static $curl_max_loops = 20;
        if ($curl_loops++ >= $curl_max_loops)
        {
            $curl_loops = 0;
            return FALSE;
        }
        curl_setopt($ch, CURLOPT_HEADER, true);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $data = curl_exec($ch);
        @list($header, $data) = @explode("\n\n", $data, 2);
        $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        if ($http_code == 301 || $http_code == 302)
        {
            $matches = array();
            preg_match('/Location:(.*?)\n/', $header, $matches);
            $url = @parse_url(trim(array_pop($matches)));
            if (!$url)
            {
                //couldn't process the url to redirect to
                $curl_loops = 0;
                return $data;
            }
            $last_url = parse_url(curl_getinfo($ch, CURLINFO_EFFECTIVE_URL));
            if (!$url['scheme'])
                $url['scheme'] = $last_url['scheme'];
            if (!$url['host'])
                $url['host'] = $last_url['host'];
            if (!$url['path'])
                $url['path'] = $last_url['path'];
            $new_url = $url['scheme'] . '://' . $url['host'] . $url['path'] . (@$url['query']?'?'.$url['query']:'');
            return $new_url;
        } else {
            $curl_loops=0;
            return $data;
        }
    }

    function get_right_url($url) {
        $curl = curl_init($url);
        curl_setopt($curl, CURLOPT_HEADER, false);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        return curl_redir_exec($curl);
    }

    $url = 'http://graph.facebook.com/' . $fbid . '/picture?type=large';

    $file_handler = fopen('img/avatar/'.$fbid.'.jpg', 'w');
    $curl = curl_init(get_right_url($url));
    curl_setopt($curl, CURLOPT_FILE, $file_handler);
    curl_setopt($curl, CURLOPT_HEADER, false);
    curl_exec($curl);

    curl_close($curl);
    fclose($file_handler);


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