Still the same thing Dave... missing argument 3 in the get_html_snippet function.
Here's where my file is at in case it now differs from what you may have;
<?php
/**
* Alexa Site Thumbnail Utility Package for PHP4
*
* Notes: Requires PHP4
*/
// Get a thumbnail URL from the thumbnail service. The returned image is enclosed in an achor tag (<a> <img/> </a>).
function get_thumbnail_link($aParams) {
$access_key_id = "Access key entered here";
$secret_access_key = "Secret key entered here";
$size = $aParams['aSize'];
$default_image = "http://www.mydomain.com/graphics/noimage3.gif";
$url = $aParams['aUrl'];
$idLink = $link.id;
$timestamp = generate_timestamp();
$url_enc = urlencode($url);
$timestamp_enc = urlencode($timestamp);
$signature_enc = urlencode (
calculate_RFC2104HMAC
("AlexaSiteThumbnail" . "Thumbnail" . $timestamp, $secret_access_key)
);
$request_url = "http://ast.amazonaws.com/xino/?"
. "Service=". "AlexaSiteThumbnail"
. "&Action=". "Thumbnail"
. "&AWSAccessKeyId=". $access_key_id
. "&Timestamp=" . $timestamp_enc
. "&Signature=" . $signature_enc
. "&Size=" . $size
. "&Url=" . $url;
$line = make_http_request($request_url);
$num_matches = preg_match('/<[^:]*:Thumbnail\\s*(?:Exists=\"((?:true)|(?:false))\")?[^>]*>([^<]*)<\//', $line, $matches);
if($num_matches == 1){
$exists = $matches[1];
$thumbnail = $matches[2];
}else{
$exists = NULL;
$thumbnail = NULL;
}
$has_default_image = ($default_image != NULL) && (strlen($default_image) > 0);
if ($thumbnail != NULL && ($exists || !$has_default_image)){
return get_html_snippet($url, $thumbnail);
}
return get_html_snippet($url, $default_image, $aParams['idLink']);
}
// Get an array of thumbnail URLs. The order of thumbnail URLs in the returned object is the same as that of $url_array.
// For thumbnail URLs that are missing from the service-response object, the value returned by the method is NULL.
function get_thumbnail_links($access_key_id, $secret_access_key, $size, $default_image, $url_array) {
if (!is_array($url_array)) {
echo ("url_array parameter is not an array.");
return NULL;
}
$urls_param = "";
for ($i = 0; $i < count($url_array); $i++){
$urls_param = $urls_param . "&Thumbnail." . ($i+1) . ".Url=" . urlencode($url_array[$i]);
}
$timestamp = generate_timestamp();
$timestamp_enc = urlencode($timestamp);
$signature_enc = urlencode (
calculate_RFC2104HMAC
("AlexaSiteThumbnail" . "Thumbnail" . $timestamp, $secret_access_key)
);
$request_url = "http://ast.amazonaws.com/xino/?"
. "Service=". "AlexaSiteThumbnail"
. "&Action=". "Thumbnail"
. "&AWSAccessKeyId=". $access_key_id
. "&Timestamp=" . $timestamp_enc
. "&Signature=" . $signature_enc
. "&Shared.Size=" . $size
. $urls_param;
$line = make_http_request($request_url);
$lines = explode("<aws:Response>", $line);
if(count($lines) != count($url_array) + 1){
echo "bad number of Response elements";
return NULL;
}
$has_default_image = ($default_image != NULL) && (strlen($default_image)> 0);
$return_array = array();
for ($i = 0; $i < count($url_array); $i++) {
$num_matches = preg_match('/<[^:]*:Thumbnail\\s*(?:Exists=\"((?:true)|(?:false))\")?[^>]*>([^<]*)<\//', $lines[$i + 1], $matches);
if($num_matches == 1){
$exists = $matches[1];
$thumbnail = $matches[2];
}else{
$exists = NULL;
$thumbnail = NULL;
}
if ($thumbnail != NULL && ($exists || !$has_default_image)){
$return_array[$i] = get_html_snippet($url_array[$i], $thumbnail);
}else{
$return_array[$i] = get_html_snippet($url_array[$i], $default_image);
}
}
return $return_array;
}
// Returns an HTML snippet which will display the thumbnail image url and link to the website. Returns an empty string if the image is null or empty.
function get_html_snippet($url, $image, $idLink) {
$link = "";
$navigable_url = (stristr($url,"http://") == $url ) ? $url : "http://".$url;
if ($image) {
$link = "<a href='$navigable_url' id='1$idLink'><img border='0' src='$image' alt='$url'/></a>";
}
return $link;
}
// Calculate signature using HMAC: http://www.faqs.org/rfcs/rfc2104.html
function calculate_RFC2104HMAC ($data, $key) {
return base64_encode (
pack("H*", sha1((str_pad($key, 64, chr(0x00))
^(str_repeat(chr(0x5c), 64))) .
pack("H*", sha1((str_pad($key, 64, chr(0x00))
^(str_repeat(chr(0x36), 64))) . $data))))
);
}
// Timestamp format: yyyy-MM-dd'T'HH:mm:ss.SSS'Z'
function generate_timestamp () {
return gmdate("Y-m-d\TH:i:s.\\0\\0\\0\\Z", time());
}
// Make an http request to the specified URL and return the result
function make_http_request($url){
$lines = @file($url);
return @implode("", $lines);
}
?>