PHP OX_Delivery_Common_hook函数代码示例

 /**
  * Return plugin cache
  *
  * @return string
  */
 function getBannerCache($buffer, &$noScript)
 {
     $conf = $GLOBALS['_MAX']['CONF'];
     if (preg_match('/<script.*?src=".*?ypn-js\\.overture\\.com/is', $buffer)) {
         $new_buffer = "<span>" . "<script type='text/javascript'><!--// <![CDATA[\n" . "/* {$conf['var']['openads']}={url_prefix} {$conf['var']['adId']}={bannerid} {$conf['var']['zoneId']}={zoneid} {$conf['var']['channel']}={source} ";
         // addUrlParams hook for plugins to add key=value pairs to the log/click URLs
         $componentParams = OX_Delivery_Common_hook('addUrlParams', array());
         foreach ($componentParams as $params) {
             if (!empty($params) && is_array($params)) {
                 foreach ($params as $key => $value) {
                     $new_buffer .= urlencode($key) . '={' . urlencode($key) . '} ';
                 }
             }
         }
         $new_buffer .= "*/\n" . "// ]]> --></script>" . $buffer . "<script type='text/javascript' src='{url_prefix}/" . $conf['file']['google'] . "'></script>" . "</span>";
         return $new_buffer;
     }
     return $buffer;
 }

/**
 * A function to log tracker impression variable values.
 *
 * Note that the $aConf['rawDatabase'] variables will only be defined
 * in the event that OpenX is configured for multiple databases. Normally,
 * this will not be the case, so the server_ip field will be 'singleDB'.
 *
 * @param array $aVariables An array of variables as returned by
 *                          MAX_cacheGetTrackerVariables().
 * @param integer $trackerId The tracker ID.
 * @param integer $serverConvId The unique conversion ID value of the
 *                              conversion as logged on the raw database
 *                              server.
 * @param string $serverRawIp The IP address of the raw database server,
 *                            or the single server setup identifier.
 */
function MAX_Delivery_log_logVariableValues($aVariables, $trackerId, $serverConvId, $serverRawIp)
{
    $aConf = $GLOBALS['_MAX']['CONF'];
    // Get the variable information, including the Variable ID
    foreach ($aVariables as $aVariable) {
        if (isset($_GET[$aVariable['name']])) {
            $value = $_GET[$aVariable['name']];
            // Do not save variable if empty or if the JS engine set it to "undefined"
            if (!strlen($value) || $value == 'undefined') {
                unset($aVariables[$aVariable['variable_id']]);
                continue;
            }
            // Sanitize by datatype
            switch ($aVariable['type']) {
                case 'int':
                case 'numeric':
                    // Strip useless chars, such as currency
                    $value = preg_replace('/[^0-9.]/', '', $value);
                    $value = floatval($value);
                    break;
                case 'date':
                    if (!empty($value)) {
                        $value = date('Y-m-d H:i:s', strtotime($value));
                    } else {
                        $value = '';
                    }
                    break;
            }
        } else {
            // Do not save anything if the variable isn't set
            unset($aVariables[$aVariable['variable_id']]);
            continue;
        }
        $aVariables[$aVariable['variable_id']]['value'] = $value;
    }
    if (count($aVariables)) {
        OX_Delivery_Common_hook('logConversionVariable', array($aVariables, $trackerId, $serverConvId, $serverRawIp, _viewersHostOkayToLog(null, null, $trackerId)));
    }
}

function OX_Delivery_logMessage($message, $priority = 6)
{
    $conf = $GLOBALS['_MAX']['CONF'];
    // Don't even try if the deliveryLog is not enabled...
    if (empty($conf['deliveryLog']['enabled'])) {
        return true;
    }
    // Only log messages above the configured priority level (See lib/pear/Log.php for a description of the levels)
    $priorityLevel = is_numeric($conf['deliveryLog']['priority']) ? $conf['deliveryLog']['priority'] : 6;
    if ($priority > $priorityLevel && empty($_REQUEST[$conf['var']['trace']])) {
        return true;
    }
    // Log the error message
    error_log('[' . date('r') . "] {$conf['log']['ident']}-delivery-{$GLOBALS['_MAX']['thread_id']}: {$message}\n", 3, MAX_PATH . '/var/' . $conf['deliveryLog']['name']);
    // Call any plugins registered on the "logMessage" hook
    OX_Delivery_Common_hook('logMessage', array($message, $priority));
    return true;
}

$conf = $GLOBALS['_MAX']['CONF'];
// Set this script's identifier (from the config file) in the global scope
$GLOBALS['_OA']['invocationType'] = array_search(basename($_SERVER['SCRIPT_FILENAME']), $conf['file']);
// Disable all notices and warnings,
// as some PAN code still generates PHP warnings in places
if (!empty($conf['debug']['production'])) {
    error_reporting(E_ALL & ~(E_NOTICE | E_WARNING | E_DEPRECATED | E_STRICT));
} else {
    // show all errors when developing
    error_reporting(E_ALL & ~(E_DEPRECATED | E_STRICT));
}
require_once MAX_PATH . '/lib/max/Delivery/common.php';
require_once MAX_PATH . '/lib/max/Delivery/cache.php';
OX_Delivery_logMessage('starting delivery script: ' . basename($_SERVER['REQUEST_URI']), 7);
if (!empty($_REQUEST[$conf['var']['trace']])) {
    OX_Delivery_logMessage('trace enabled: ' . $_REQUEST[$conf['var']['trace']], 7);
}
// Set the viewer's remote information used in logging and delivery limitation evaluation
MAX_remotehostSetInfo();
// Set common delivery parameters in the global scope
MAX_commonInitVariables();
// Load cookie data from client/plugin
MAX_cookieLoad();
// Unpack the packed capping cookies
MAX_cookieUnpackCapping();
// Run any plugins which have registered themselves at postInit,
// with the exception of XML-RPC invocation that will call the hook
// explicitly after overriding the $_SERVER variables
if (empty($GLOBALS['_OA']['invocationType']) || $GLOBALS['_OA']['invocationType'] != 'xmlrpc') {
    OX_Delivery_Common_hook('postInit');
}

function MAX_querystringGetDestinationUrl($adId = null)
{
    $conf = $GLOBALS['_MAX']['CONF'];
    $dest = isset($_REQUEST[$conf['var']['dest']]) ? $_REQUEST[$conf['var']['dest']] : '';
    if (empty($dest) && !empty($adId)) {
        // Get the destination from the banner
        $aAd = MAX_cacheGetAd($adId);
        if (!empty($aAd)) {
            $dest = $aAd['url'];
        }
    }
    // If no destination URL has been found by now, then we don't need to redirect
    if (empty($dest)) {
        return;
    }
    $aVariables = array();
    $aValidVariables = array_values($conf['var']);
    // See if any plugin-components have added items to the click url...
    $componentParams = OX_Delivery_Common_hook('addUrlParams', array(array('bannerid' => $adId)));
    if (!empty($componentParams) && is_array($componentParams)) {
        foreach ($componentParams as $params) {
            if (!empty($params) && is_array($params)) {
                foreach ($params as $key => $value) {
                    $aValidVariables[] = $key;
                }
            }
        }
    }
    // We also need to ensure that any variables already present in the dest are not duplicated...
    $destParams = parse_url($dest);
    if (!empty($destParams['query'])) {
        $destQuery = explode('&', $destParams['query']);
        if (!empty($destQuery)) {
            foreach ($destQuery as $destPair) {
                list($destName, $destValue) = explode('=', $destPair);
                $aValidVariables[] = $destName;
            }
        }
    }
    foreach ($_GET as $name => $value) {
        if (!in_array($name, $aValidVariables)) {
            $aVariables[] = $name . '=' . $value;
        }
    }
    foreach ($_POST as $name => $value) {
        if (!in_array($name, $aValidVariables)) {
            $aVariables[] = $name . '=' . $value;
        }
    }
    if (!empty($aVariables)) {
        $dest .= (strpos($dest, '?') > 0 ? '&' : '?') . implode('&', $aVariables);
    }
    return $dest;
}

/**
 * A function to handle XML-RPC advertisement SPC requests.
 *
 * @param XML_RPC_Message $params An XML_RPC_Message containing the parameters. The expected parameters
 *                              are (in order):
 *                              - An XML_RPC_Value of type "struct"  containing remote informations
 *                                which needs at least two members:
 *                                - remote_addr (string) and
 *                                - cookies     (struct);
 *                              - An XML_RPC_Value of type "string"  containing the "what" value;
 *                              - An XML_RPC_Value of type "string"  containing the "target" value;
 *                              - An XML_RPC_Value of type "string"  containing the "source" value;
 *                              - An XML_RPC_Value of type "boolean" containing the "withtext" value;
 *                              - An XML_RPC_Value of type "boolean" containing the "block" value;
 *                              - An XML_RPC_Value of type "boolean" containing the "blockcampaign" value;
 * @return XML_RPC_Response The response. The XML_RPC_Value of the response can be one of
 *                          a number of different values:
 *                          - Error Code 21: wrong number of parameters.
 *                          - Error Code 22: remote_addr element missing from the remote info struct.
 *                          - Error Code 23: cookies element missing from the remote info struct.
 *                          - An XML_RPC_Value of type "struct" with the HTML details required
 *                            for displaying the advertisement stored as in XML_RPC_Value of
 *                            type "string" in the "html" index, and other elements returned by the
 *                            MAX_asSelect call. A special "cookies" element is either:
 *                            - An empty XML_RPC_Value if there are no cookies to be set, or
 *                            - An XML_RPC_Value of type "array", containing a number of XML_RPC_Values
 *                              of tpye "array", each with 3 items:
 *                              - An XML_RPC_Value of type "string" with the cookie name;
 *                              - An XML_RPC_Value of type "string" with the cookie value; and
 *                              - An XML_RPC_Value of type "string" with the cookie expiration time.
 */
function OA_Delivery_XmlRpc_SPC($params)
{
    global $XML_RPC_erruser;
    global $XML_RPC_String, $XML_RPC_Struct, $XML_RPC_Array;
    // Check the parameters exist
    $numParams = $params->getNumParams();
    if ($numParams != 7) {
        // Return an error
        $errorCode = $XML_RPC_erruser + 21;
        $errorMsg = 'Incorrect number of parameters';
        return new XML_RPC_Response(0, $errorCode, $errorMsg);
    }
    // Set the XML values into their correct variables to make life easier
    $vars = array(1 => 'what', 2 => 'target', 3 => 'source', 4 => 'withtext', 5 => 'block', 6 => 'blockcampaign');
    // Parse parameters
    for ($i = 0; $i < $numParams; $i++) {
        $p = $params->getParam($i);
        if ($i) {
            // Put the decoded value the view arg array
            ${$vars}[$i] = XML_RPC_decode($p);
        } else {
            // First parameter: environment information supplied be XML-RPC client
            $p = XML_RPC_decode($p);
            if (!isset($p['remote_addr'])) {
                // Return an error
                $errorCode = $XML_RPC_erruser + 22;
                $errorMsg = "Missing 'remote_addr' member";
                return new XML_RPC_Response(0, $errorCode, $errorMsg);
            }
            if (!isset($p['cookies']) || !is_array($p['cookies'])) {
                // Return an error
                $errorCode = $XML_RPC_erruser + 23;
                $errorMsg = "Missing 'cookies' member";
                return new XML_RPC_Response(0, $errorCode, $errorMsg);
            }
            $aServerVars = array('remote_addr' => 'REMOTE_ADDR', 'remote_host' => 'REMOTE_HOST', 'request_uri' => 'REQUEST_URI', 'https' => 'HTTPS', 'server_name' => 'SERVER_NAME', 'http_host' => 'HTTP_HOST', 'accept_language' => 'HTTP_ACCEPT_LANGUAGE', 'referer' => 'HTTP_REFERER', 'user_agent' => 'HTTP_USER_AGENT', 'via' => 'HTTP_VIA', 'forwarded' => 'HTTP_FORWARDED', 'forwarded_for' => 'HTTP_FORWARDED_FOR', 'x_forwarded' => 'HTTP_X_FORWARDED', 'x_forwarded_for' => 'HTTP_X_FORWARDED_FOR', 'client_ip' => 'HTTP_CLIENT_IP');
            // Extract environment vars to $_SERVER
            foreach ($aServerVars as $xmlName => $varName) {
                if (isset($p[$xmlName])) {
                    $_SERVER[$varName] = $p[$xmlName];
                }
            }
            // Extract cookie vars to $_COOKIE
            foreach ($p['cookies'] as $key => $value) {
                $_COOKIE[$key] = MAX_commonAddslashesRecursive($value);
            }
            MAX_remotehostSetInfo(true);
            OX_Delivery_Common_hook('postInit');
            MAX_cookieUnpackCapping();
        }
    }
    // Add defaults for not-applicable values
    $richmedia = true;
    $ct0 = '';
    $context = array();
    // Make loc and referer global to ensure that the delivery limitations work correctly
    global $loc, $referer;
    $loc = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 'https' : 'http') . '://' . OX_getHostName() . $_SERVER['REQUEST_URI'];
    // Add $referer parameter
    $referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
    // If the what parameter is an int, it is the affiliateid, otherwise it's a serialized array of name=zone pairs
    // This convention is inline with the parameters passed into local-mode SPC
    if (is_numeric($what)) {
        $zones = OA_cacheGetPublisherZones($what);
        $nz = false;
    } else {
        $zones = unserialize($what);
        $nz = true;
    }
//.........这里部分代码省略.........

/**
 * A function to set the viewer's geotargeting information in the
 * $GLOBALS['_MAX']['CLIENT_GEO'] global variable, if a plugin for
 * geotargeting information is configured.
 *
 * @todo This is a workaround to avoid having to include the entire plugin architecure
 *       just to be able to load the config information. The plugin system should be
 *       refactored to allow the Delivery Engine to load the information independently
 */
function MAX_remotehostSetGeoInfo()
{
    if (!function_exists('parseDeliveryIniFile')) {
        require_once MAX_PATH . '/init-delivery-parse.php';
    }
    $aConf = $GLOBALS['_MAX']['CONF'];
    $type = !empty($aConf['geotargeting']['type']) ? $aConf['geotargeting']['type'] : null;
    if (!is_null($type) && $type != 'none') {
        $aComponent = explode(':', $aConf['geotargeting']['type']);
        if (!empty($aComponent[1]) && !empty($aConf['pluginGroupComponents'][$aComponent[1]])) {
            $GLOBALS['_MAX']['CLIENT_GEO'] = OX_Delivery_Common_hook('getGeoInfo', array(), $type);
        }
    }
}

<?php

/*
+---------------------------------------------------------------------------+
| Revive Adserver                                                           |
| http://www.revive-adserver.com                                            |
|                                                                           |
| Copyright: See the COPYRIGHT.txt file.                                    |
| License: GPLv2 or later, see the LICENSE.txt file.                        |
+---------------------------------------------------------------------------+
*/
/*
 * NOTE: If this list of event ever changes (IDs or names), the Video Reports must be updated as well
 */
$aVastEventStrToIdMap = array('start' => 1, 'midpoint' => 2, 'firstquartile' => 3, 'thirdquartile' => 4, 'complete' => 5, 'mute' => 6, 'replay' => 7, 'fullscreen' => 8, 'stop' => 9, 'unmute' => 10, 'resume' => 11, 'pause' => 12);
MAX_commonRegisterGlobalsArray(array('event', 'video_time_posn'));
// Prevent the logging beacon from being cached by browsers
MAX_commonSetNoCacheHeaders();
// if its a vast tracking event
if (!empty($bannerid) && isset($aVastEventStrToIdMap[$event])) {
    // Remove any special characters from the request variables
    MAX_commonRemoveSpecialChars($_REQUEST);
    $time = MAX_commonGetTimeNow();
    $oi = $GLOBALS['_MAX']['CONF']['maintenance']['operationInterval'];
    $GLOBALS['_MAX']['deliveryData'] = array('interval_start' => gmdate('Y-m-d H:i:s', $time - $time % ($oi * 60)), 'creative_id' => (int) $bannerid, 'zone_id' => (int) $zoneid, 'vast_event_id' => $aVastEventStrToIdMap[$event]);
    OX_Delivery_Common_hook('logImpressionVast', array($bannerid, $zoneid, _viewersHostOkayToLog()));
}
MAX_cookieFlush();
MAX_commonDisplay1x1();

function OA_Delivery_XmlRpc_SPC($params)
{
    global $XML_RPC_erruser;
    global $XML_RPC_String, $XML_RPC_Struct, $XML_RPC_Array;
    $numParams = $params->getNumParams();
    if ($numParams != 7) {
        $errorCode = $XML_RPC_erruser + 21;
        $errorMsg = 'Incorrect number of parameters';
        return new XML_RPC_Response(0, $errorCode, $errorMsg);
    }
    $vars = array(1 => 'what', 2 => 'target', 3 => 'source', 4 => 'withtext', 5 => 'block', 6 => 'blockcampaign');
    for ($i = 0; $i < $numParams; $i++) {
        $p = $params->getParam($i);
        if ($i) {
            ${$vars}[$i] = XML_RPC_decode($p);
        } else {
            $p = XML_RPC_decode($p);
            if (!isset($p['remote_addr'])) {
                $errorCode = $XML_RPC_erruser + 22;
                $errorMsg = "Missing 'remote_addr' member";
                return new XML_RPC_Response(0, $errorCode, $errorMsg);
            }
            if (!isset($p['cookies']) || !is_array($p['cookies'])) {
                $errorCode = $XML_RPC_erruser + 23;
                $errorMsg = "Missing 'cookies' member";
                return new XML_RPC_Response(0, $errorCode, $errorMsg);
            }
            $aServerVars = array('remote_addr' => 'REMOTE_ADDR', 'remote_host' => 'REMOTE_HOST', 'request_uri' => 'REQUEST_URI', 'https' => 'HTTPS', 'server_name' => 'SERVER_NAME', 'http_host' => 'HTTP_HOST', 'accept_language' => 'HTTP_ACCEPT_LANGUAGE', 'referer' => 'HTTP_REFERER', 'user_agent' => 'HTTP_USER_AGENT', 'via' => 'HTTP_VIA', 'forwarded' => 'HTTP_FORWARDED', 'forwarded_for' => 'HTTP_FORWARDED_FOR', 'x_forwarded' => 'HTTP_X_FORWARDED', 'x_forwarded_for' => 'HTTP_X_FORWARDED_FOR', 'client_ip' => 'HTTP_CLIENT_IP');
            foreach ($aServerVars as $xmlName => $varName) {
                if (isset($p[$xmlName])) {
                    $_SERVER[$varName] = $p[$xmlName];
                }
            }
            foreach ($p['cookies'] as $key => $value) {
                $_COOKIE[$key] = MAX_commonAddslashesRecursive($value);
            }
            MAX_remotehostSetInfo(true);
            OX_Delivery_Common_hook('postInit');
            MAX_cookieUnpackCapping();
        }
    }
    $richmedia = true;
    $ct0 = '';
    $context = array();
    global $loc, $referer;
    $loc = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 'https' : 'http') . '://' . OX_getHostName() . $_SERVER['REQUEST_URI'];
    $referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
    if (is_numeric($what)) {
        $zones = OA_cacheGetPublisherZones($what);
        $nz = false;
    } else {
        $zones = unserialize($what);
        $nz = true;
    }
    $spc_output = array();
    foreach ($zones as $zone => $data) {
        if (empty($zone)) {
            continue;
        }
        if ($nz) {
            $varname = $zone;
            $zoneid = $data;
        } else {
            $varname = $zoneid = $zone;
        }
        unset($GLOBALS['_MAX']['deliveryData']);
        $output = MAX_adSelect('zone:' . $zoneid, '', $target, $source, $withtext, '', $context, $richmedia, $ct0, $GLOBALS['loc'], $GLOBALS['referer']);
        $spc_output[$varname] = $output;
        if (!empty($block) && !empty($output['bannerid'])) {
            $output['context'][] = array('!=' => 'bannerid:' . $output['bannerid']);
        }
        if (!empty($blockcampaign) && !empty($output['campaignid'])) {
            $output['context'][] = array('!=' => 'campaignid:' . $output['campaignid']);
        }
        if (!empty($output['context'])) {
            foreach ($output['context'] as $id => $contextArray) {
                if (!in_array($contextArray, $context)) {
                    $context[] = $contextArray;
                }
            }
        }
    }
    return new XML_RPC_Response(XML_RPC_encode($spc_output));
    $output = call_user_func_array('MAX_adSelect', $view_params);
    if (!is_array($output)) {
        $output = array();
    } elseif (isset($output['contenttype']) && $output['contenttype'] == 'swf') {
        $output['html'] = MAX_flashGetFlashObjectExternal() . $output['html'];
    }
    MAX_cookieFlush();
    $output['cookies'] = $GLOBALS['_OA']['COOKIE']['XMLRPC_CACHE'];
    return new XML_RPC_Response(XML_RPC_encode($output));
}

 // Send bannerid headers
 $cookie = array();
 $cookie[$conf['var']['adId']] = $row['bannerid'];
 // Send zoneid headers
 if ($zoneid != 0) {
     $cookie[$conf['var']['zoneId']] = $zoneid;
 }
 // Send source headers
 if (!empty($source)) {
     $cookie[$conf['var']['channel']] = $source;
 }
 if (!empty($row['clickwindow'])) {
     $cookie[$conf['var']['lastClick']] = 1;
 }
 // addUrlParams hook for plugins to add key=value pairs to the log/click URLs
 $componentParams = OX_Delivery_Common_hook('addUrlParams', array($row));
 if (!empty($componentParams) && is_array($componentParams)) {
     foreach ($componentParams as $params) {
         if (!empty($params) && is_array($params)) {
             foreach ($params as $key => $value) {
                 $cookie[$key] = $value;
             }
         }
     }
 }
 if (isset($row['aSearch']) && isset($row['aReplace'])) {
     $cookie[$conf['var']['dest']] = str_replace($row['aSearch'], $row['aReplace'], $row['url']);
 }
 // if there is a fallback defined for this banner, we try and use it
 $creativeURL = '';
 if (!empty($row['contenttype']) && $row['contenttype'] == 'swf') {

/**
 * This internal function selects an ad cyclying through exclusive, paid, low-pri etc.
 * taking into account companion positioning as requested
 *
 * @param callback $adSelectFunction The plugin callback function
 * @param string  $aAds         The array of ads to pick from
 * @param array   $context      The context of this ad selection
 *                              - used for companion positioning
 *                              - and excluding banner/campaigns from this ad-call
 * @param string  $source       The "source" parameter passed into the adcall
 * @param boolean $richMedia    Does this invocation method allow for serving 3rd party/html ads
 * @param boolean $companion    Should ad selection only return companion ads?
 *
 * @return array|false          Returns an ad-array (see page DocBlock) or false if no ad found
 */
function _adSelectInnerLoop($adSelectFunction, $aAds, $context, $source, $richMedia, $companion = false)
{
    // Array of campaign types sorted by priority
    $aCampaignTypes = array('xAds' => false, 'ads' => array(10, 9, 8, 7, 6, 5, 4, 3, 2, 1), 'lAds' => false, 'eAds' => array(-2));
    $GLOBALS['_MAX']['considered_ads'][] =& $aAds;
    foreach ($aCampaignTypes as $type => $aPriorities) {
        if ($aPriorities) {
            $ad_picked = false;
            foreach ($aPriorities as $pri) {
                // Even though we've selected an ad, we need to continue
                // applying filtering rules in order to construct a valid
                // qualified ad set, which MPE 2.x needs to know.
                if (!$ad_picked) {
                    $aLinkedAd = OX_Delivery_Common_hook('adSelect', array(&$aAds, &$context, &$source, &$richMedia, $companion, $type, $pri), $adSelectFunction);
                    // Did we pick an ad from this campaign-priority level?
                    if (is_array($aLinkedAd)) {
                        $ad_picked = true;
                    }
                    // Should we skip the next campaign-priority level?
                    if ($aLinkedAd == $GLOBALS['OX_adSelect_SkipOtherPriorityLevels']) {
                        $ad_picked = true;
                    }
                } else {
                    if (!empty($aAds[$type][$pri])) {
                        // Build preconditions
                        $aContext = _adSelectBuildContextArray($aAds[$type][$pri], $type, $context);
                        // New delivery algorithm: discard all invalid ads before iterating over them
                        // $aAds passed by ref here
                        _adSelectDiscardNonMatchingAds($aAds[$type][$pri], $aContext, $source, $richMedia);
                    }
                }
            }
            if ($ad_picked && is_array($aLinkedAd)) {
                return $aLinkedAd;
            }
        } else {
            $aLinkedAd = OX_Delivery_Common_hook('adSelect', array(&$aAds, &$context, &$source, &$richMedia, $companion, $type), $adSelectFunction);
            // Did we pick an ad from this campaign type?
            if (is_array($aLinkedAd)) {
                return $aLinkedAd;
            }
        }
    }
    return false;
}

/**
 * This function sets or updates the last action (cookie) record
 * This value is used to track conversions for a campaign
 *
 * @param integer $index
 * @param array $aAdIds
 * @param array $aZoneIds
 * @param array $aSetLastSeen
 * @param integer $action
 */
function MAX_Delivery_log_setLastAction($index, $aAdIds, $aZoneIds, $aSetLastSeen, $action = 'view')
{
    $aConf = $GLOBALS['_MAX']['CONF'];
    if (!empty($aSetLastSeen[$index])) {
        $cookieData = MAX_commonCompressInt(MAX_commonGetTimeNow()) . "-" . $aZoneIds[$index];
        // See if any plugin-components have added items to the conversion cookie...
        $conversionParams = OX_Delivery_Common_hook('addConversionParams', array(&$index, &$aAdIds, &$aZoneIds, &$aSetLastSeen, &$action, &$cookieData));
        if (!empty($conversionParams) && is_array($conversionParams)) {
            foreach ($conversionParams as $params) {
                if (!empty($params) && is_array($params)) {
                    foreach ($params as $key => $value) {
                        // Note: We have to use space as a delimiter, if your plugin
                        // requires spaces in the data, you may need to encode them.
                        $cookieData .= " {$value}";
                    }
                }
            }
        }
        MAX_cookieAdd("_{$aConf['var']['last' . ucfirst($action)]}[{$aAdIds[$index]}]", $cookieData, _getTimeThirtyDaysFromNow());
    }
}

function _adSelectInnerLoop($adSelectFunction, $aAds, $context, $source, $richMedia, $companion = false)
{
    $aCampaignTypes = array('xAds' => false, 'ads' => array(10, 9, 8, 7, 6, 5, 4, 3, 2, 1), 'lAds' => false, 'eAds' => array(-2));
    $GLOBALS['_MAX']['considered_ads'][] =& $aAds;
    foreach ($aCampaignTypes as $type => $aPriorities) {
        if ($aPriorities) {
            $ad_picked = false;
            foreach ($aPriorities as $pri) {
                if (!$ad_picked) {
                    $aLinkedAd = OX_Delivery_Common_hook('adSelect', array(&$aAds, &$context, &$source, &$richMedia, $companion, $type, $pri), $adSelectFunction);
                    if (is_array($aLinkedAd)) {
                        $ad_picked = true;
                    }
                    if ($aLinkedAd == $GLOBALS['OX_adSelect_SkipOtherPriorityLevels']) {
                        $ad_picked = true;
                    }
                } else {
                    if (!empty($aAds[$type][$pri])) {
                        $aContext = _adSelectBuildContextArray($aAds[$type][$pri], $type, $context);
                        _adSelectDiscardNonMatchingAds($aAds[$type][$pri], $aContext, $source, $richMedia);
                    }
                }
            }
            if ($ad_picked && is_array($aLinkedAd)) {
                return $aLinkedAd;
            }
        } else {
            $aLinkedAd = OX_Delivery_Common_hook('adSelect', array(&$aAds, &$context, &$source, &$richMedia, $companion, $type), $adSelectFunction);
            if (is_array($aLinkedAd)) {
                return $aLinkedAd;
            }
        }
    }
    return false;
}

function _adRenderBuildParams($aBanner, $zoneId = 0, $source = '', $ct0 = '', $logClick = true, $overrideDest = false)
{
    // HACK - sometimes $aBanner has the banner ID as bannerid, and others it is ad_id.  This needs
    //  to be sorted in all parts of the application to reference ad_id rather than bannerid.
    if (isset($aBanner['ad_id']) && empty($aBanner['bannerid'])) {
        $aBanner['bannerid'] = $aBanner['ad_id'];
    }
    $conf = $GLOBALS['_MAX']['CONF'];
    $delimiter = $GLOBALS['_MAX']['MAX_DELIVERY_MULTIPLE_DELIMITER'];
    $logLastClick = !empty($aBanner['clickwindow']) ? '1' : '';
    // If there is an OpenX->OpenX internal redirect, log both zones information
    if (!empty($GLOBALS['_MAX']['adChain'])) {
        foreach ($GLOBALS['_MAX']['adChain'] as $index => $ad) {
            $aBanner['bannerid'] .= $delimiter . $ad['bannerid'];
            $aBanner['placement_id'] .= $delimiter . $ad['placement_id'];
            $zoneId .= $delimiter . $ad['zoneid'];
            $logLastClick .= !empty($aBanner['clickwindow']) ? '1' : '0';
        }
    }
    $maxparams = '';
    if (!empty($aBanner['url']) || $overrideDest) {
        // There is a link
        $del = $conf['delivery']['ctDelimiter'];
        $delnum = strlen($del);
        $random = "{$del}{$conf['var']['cacheBuster']}={random}";
        $bannerId = !empty($aBanner['bannerid']) ? "{$del}{$conf['var']['adId']}={$aBanner['bannerid']}" : '';
        $zoneId = "{$del}{$conf['var']['zoneId']}={$zoneId}";
        $source = !empty($source) ? "{$del}source=" . urlencode($source) : '';
        $log = $logClick ? '' : "{$del}{$conf['var']['logClick']}=no";
        // Determine the destination
        $dest = !empty($aBanner['url']) ? $aBanner['url'] : '';
        // If the passed in a ct0= value that is not a valid URL (simple checking), then ignore it
        if (!empty($ct0) && strtolower(substr($ct0, 0, 4)) == 'http') {
            $dest = $ct0 . urlencode($dest);
        }
        // Urlencode, but allow magic macros
        $dest = preg_replace('/%7B(.*?)%7D/', '{$1}', urlencode($dest));
        $maxdest = "{$del}{$conf['var']['dest']}={$dest}";
        $log .= !empty($logLastClick) ? $del . $conf['var']['lastClick'] . '=' . $logLastClick : '';
        $maxparams = $delnum . $bannerId . $zoneId . $source . $log . $random;
        // addUrlParams hook for plugins to add key=value pairs to the log/click URLs
        $componentParams = OX_Delivery_Common_hook('addUrlParams', array($aBanner));
        if (!empty($componentParams) && is_array($componentParams)) {
            foreach ($componentParams as $params) {
                if (!empty($params) && is_array($params)) {
                    foreach ($params as $key => $value) {
                        $maxparams .= $del . urlencode($key) . '=' . urlencode($value);
                    }
                }
            }
        }
        $maxparams .= $maxdest;
    }
    return $maxparams;
}

function OA_Delivery_Cache_store_return($name, $cache, $isHash = false, $expireAt = null)
{
    OX_Delivery_Common_hook('preCacheStore_' . OA_Delivery_Cache_getHookName($name), array($name, &$cache));
    if (OA_Delivery_Cache_store($name, $cache, $isHash, $expireAt)) {
        return $cache;
    }
    $currentCache = OA_Delivery_Cache_fetch($name, $isHash);
    if ($currentCache === false) {
        return $cache;
    }
    return $currentCache;
}