if ($days_running >= 2) {
echo str_replace("{days}", $days_running, $strPriorityDaysRunning);
if ($days_running >= 8) {
echo $strPriorityBasedLastWeek;
}
if ($days_running >= 2 && $days_running < 8) {
echo $strPriorityBasedLastDays;
}
if ($days_running == 1) {
echo $strPriorityBasedYesterday;
}
} else {
echo $strPriorityNoData;
}
$banners = phpAds_PriorityPrepareBanners();
$campaigns = phpAds_PriorityPrepareCampaigns();
$profile = array();
list($profile, $profile_correction_executed) = phpAds_PriorityPredictProfile($campaigns, $banners);
$estimated_hits = 0;
for ($p = 0; $p < 24; $p++) {
$estimated_hits += $profile[$p];
}
if ($campaigns_target) {
if ($estimated_hits > $campaigns_target) {
echo $strPriorityEnoughAdViews;
} else {
echo $strPriorityNotEnoughAdViews;
}
} else {
$campaigns_target = 0;
}
function phpAds_PriorityCalculate()
{
global $debug, $debuglog;
// Prepare information
$banners = phpAds_PriorityPrepareBanners();
$campaigns = phpAds_PriorityPrepareCampaigns();
$profile = array();
// Determine period
$maxperiod = 24;
$period = phpAds_CurrentHour;
// Populate campaign statistics
$total_requested = 0;
$total_campaign_weight = 0;
$total_targeted_hits = 0;
$total_other_hits = 0;
for (reset($campaigns); $c = key($campaigns); next($campaigns)) {
$targeted_hits = 0;
$other_hits = 0;
if ($campaigns[$c]['target'] > 0) {
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
$targeted_hits += isset($banners[$b]['hits']) ? $banners[$b]['hits'] : 0;
}
}
$total_targeted_hits += $targeted_hits > $campaigns[$c]['target'] ? $campaigns[$c]['target'] : $targeted_hits;
$total_requested += $campaigns[$c]['target'];
} else {
$bannercount = 0;
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
$other_hits += isset($banners[$b]['hits']) ? $banners[$b]['hits'] : 0;
$bannercount++;
}
}
$total_other_hits += $other_hits;
if ($bannercount > 0) {
$total_campaign_weight += $campaigns[$c]['weight'];
}
}
$campaigns[$c]['hits'] = $targeted_hits + $other_hits;
}
if ($total_requested) {
// High pri campaigns present, run profiling
list($profile, $profile_correction_executed) = phpAds_PriorityPredictProfile($campaigns, $banners);
// Determine estimated number of hits
$corrected_hits = 0;
$estimated_hits = 0;
for ($p = 0; $p < 24; $p++) {
$corrected_hits += $profile_correction_executed && $p < phpAds_CurrentHour ? $profile[$p] : 0;
$estimated_hits += $profile[$p];
}
// Apply correction to other hits
if ($profile_correction_executed) {
// BEGIN REPORTING
$debuglog .= "\n\n";
$debuglog .= abs($total_targeted_hits + $total_other_hits - $corrected_hits) . " hits were " . ($total_targeted_hits + $total_other_hits - $corrected_hits > 0 ? "added" : "removed") . " during peak compensation\n";
// END REPORTING
$total_other_hits = $corrected_hits - $total_targeted_hits;
}
$total_hits = $total_targeted_hits + $total_other_hits;
$estimated_remaining = $estimated_hits - $total_hits;
$requested_remaining = $total_requested - $total_targeted_hits;
if ($estimated_remaining > $requested_remaining) {
$available_for_targeting = $requested_remaining;
$available_for_others = $estimated_remaining - $requested_remaining;
} else {
$available_for_targeting = $estimated_remaining;
$available_for_others = 0;
}
// BEGIN REPORTING
$debuglog .= "\n\n";
$debuglog .= "Estimated number of impressions today: {$estimated_hits} \n";
$debuglog .= "Estimated number of impressions remaining: {$estimated_remaining} \n";
$debuglog .= "-----------------------------------------------------\n";
$debuglog .= "Total number of requested impressions: {$total_requested} \n";
$debuglog .= "Number of requested impressions satisfied: {$total_targeted_hits} \n";
$debuglog .= "Number of requested impressions remaining: {$requested_remaining} \n";
$debuglog .= "-----------------------------------------------------\n\n\n";
$debuglog .= "Impressions available to meet the targets: {$available_for_targeting} \n";
$debuglog .= "Impressions left over: {$available_for_others} \n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
$totalassigned = 0;
for (reset($campaigns); $c = key($campaigns); next($campaigns)) {
if ($campaigns[$c]['target'] > 0) {
// BEGIN REPORTING
$debuglog .= "\n\n\nHIGH-PRI CAMPAIGN {$c} \n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
// Hits assigned =
$remaining_for_campaign = $campaigns[$c]['target'] - $campaigns[$c]['hits'];
$total_profile = 0;
for ($p = 0; $p < $maxperiod; $p++) {
$total_profile += isset($profile[$p]) ? $profile[$p] : 0;
}
$profile_uptil_now = 0;
for ($p = 0; $p < $period; $p++) {
$profile_uptil_now += isset($profile[$p]) ? $profile[$p] : 0;
}
if ($total_profile == 0) {
// No profile available yet, just divide evently
$expected_hits_this_period = round($campaigns[$c]['target'] / $maxperiod * ($period + 1));
} else {
if ($profile[$period] == 0) {
// Profile available, but no impressions expected this hour
// Set the number of expected hits to 1, to make sure the campaign isn't deactivated
// and the real impressions won't bring it much of target
$expected_hits_this_period = 1;
} else {
// Profile available, use expected impressions
$expected_hits_this_period = round($profile_uptil_now / $total_profile * $campaigns[$c]['target']);
}
}
// BEGIN REPORTING
$debuglog .= "Target for campaign: " . $campaigns[$c]['target'] . " \n";
$debuglog .= "Remaining for campaign: {$remaining_for_campaign} \n";
// END REPORTING
if ($period > 0) {
// The first time the priority calculation is running there is no
// need to compensate, since there are no previous hours available
$current_deviance_from_prediction = $campaigns[$c]['hits'] / $expected_hits_this_period;
// > 1 = overdelivery, < 1 = underdelivery
$expected_today_without_correction = $campaigns[$c]['target'] * $current_deviance_from_prediction;
$expected_deviance_todays_in_hits = $expected_today_without_correction - $campaigns[$c]['target'];
// BEGIN REPORTING
$debuglog .= "Real impressions up till now: " . $campaigns[$c]['hits'] . " \n";
$debuglog .= "Expected impressions up till now: {$expected_hits_this_period} \n";
$debuglog .= "Deviance from prediction: " . $current_deviance_from_prediction . "x \n";
$debuglog .= "Total impressions expected without correction: {$expected_today_without_correction} \n";
$debuglog .= "Total deviance expected without correction: {$expected_deviance_todays_in_hits} \n";
// END REPORTING
$aggression = 2;
// The deviance needs to be fixed in the remaining hours / agression
$fix_in_no_hours = round(($maxperiod - $period) / $aggression);
$extra_to_assign = 0 - $expected_deviance_todays_in_hits / $fix_in_no_hours;
// BEGIN REPORTING
$debuglog .= "Deviance needs to fixed in: {$fix_in_no_hours} hours (aggression " . $aggression . ")\n";
$debuglog .= "Compensate linear by: {$extra_to_assign} \n";
// END REPORTING
// Find out how many impressions the next hour will generate compared
// to the other hours (according to predictions).
$total_next_hours = 0;
for ($p = $period; $p < $period + $fix_in_no_hours; $p++) {
$total_next_hours = isset($profile[$p]) ? $profile[$p] : 0;
}
$avg_impressions_per_hour = $total_next_hours / $fix_in_no_hours;
$compensation_factor = $profile[$period] / $avg_impressions_per_hour;
$extra_to_assign = round($compensation_factor * $extra_to_assign);
// BEGIN REPORTING
$debuglog .= "Average impressions per hour: " . $avg_impressions_per_hour . "\n";
$debuglog .= "Expected impressions next hour: " . $profile[$period] . "\n";
$debuglog .= "Deviance from average: " . $compensation_factor . "\n";
$debuglog .= "Compensate realisticly by: {$extra_to_assign} \n";
// END REPORTING
$remaining_for_campaign += $extra_to_assign;
if ($remaining_for_campaign < 0) {
$remaining_for_campaign = 0;
}
}
// BEGIN REPORTING
$debuglog .= "Priority for whole campaign: {$remaining_for_campaign} \n";
// END REPORTING
$totalassigned += $remaining_for_campaign;
$total_banner_weight = 0;
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
$total_banner_weight += $banners[$b]['weight'];
}
}
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
$banners[$b]['priority'] = round($remaining_for_campaign / $total_banner_weight * $banners[$b]['weight']);
// BEGIN REPORTING
$debuglog .= "- Priority of banner {$b}: " . $banners[$b]['priority'] . " \n";
// END REPORTING
}
}
}
}
// BEGIN REPORTING
$debuglog .= "\n\n\n";
$debuglog .= "Impressions assigned to meet the targets: {$totalassigned} \n";
// END REPORTING
$no_high_pri = !$totalassigned;
} else {
// BEGIN REPORTING
$debuglog .= "-----------------------------------------------------\n";
$debuglog .= "No targeting needed, skipping profile prediction.\n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
$no_high_pri = true;
}
$total_weight = phpAds_PriorityTotalWeight($campaigns, $banners);
if ($no_high_pri || !$available_for_others) {
// BEGIN REPORTING
if ($no_high_pri) {
$debuglog .= "\n\n\nNo impressions assigned to meet the targets\n";
} else {
$debuglog .= "\n\n\nNo or few impressions left over, this would result\n";
$debuglog .= "in low-priority banners never shown\n";
}
$debuglog .= "Total weight: {$total_weight}\n";
// END REPORTING
// Use total weight as avaliable impressions for low-pri
$available_for_others = $total_weight;
// Boost high-pri banners by total_weight
$high_pri_boost = $total_weight;
} else {
// No boost
$high_pri_boost = 1;
}
// Init array for GCD calculation
$banner_priorities = array();
// Flag used when a campaign gets a null priority
$zero_pri = false;
// BEGIN REPORTING
$debuglog .= "Impressions left over: {$available_for_others} \n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
for (reset($campaigns); $c = key($campaigns);) {
if ($campaigns[$c]['target'] == 0) {
// BEGIN REPORTING
$debuglog .= "\n\n\nLOW-PRI CAMPAIGN {$c} \n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
if ($available_for_others > 0) {
$remaining_for_campaign = round($available_for_others / $total_campaign_weight * $campaigns[$c]['weight']);
} else {
$remaining_for_campaign = 0;
}
// BEGIN REPORTING
$debuglog .= "Remaining for campaign: {$remaining_for_campaign} \n";
// END REPORTING
$total_banner_weight = 0;
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
$total_banner_weight += $banners[$b]['weight'];
}
}
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
$banners[$b]['priority'] = round($remaining_for_campaign / $total_banner_weight * $banners[$b]['weight']);
if (!$banners[$b]['priority']) {
// BEGIN REPORTING
$debuglog .= "- Banner {$b} had a null priority.\n";
// END REPORTING
$zero_pri = true;
break;
}
$banner_priorities[] = $banners[$b]['priority'];
// BEGIN REPORTING
$debuglog .= "- Assigned priority to banner {$b}: " . $banners[$b]['priority'] . " \n";
// END REPORTING
}
}
}
if ($zero_pri) {
if (!$available_for_others) {
// It should never get here, but avoid an endless loop to be safe...
break;
}
// Restart low-pri assignment, increasing available impressions
$zero_pri = false;
$banner_priorities = array();
$available_for_others *= 2;
$high_pri_boost *= 2;
// BEGIN REPORTING
$debuglog .= "\n\n\n-----------------------------------------------------\n";
$debuglog .= "Restarting...\n";
$debuglog .= "-----------------------------------------------------\n";
$debuglog .= "\n\n\nImpressions left over: {$available_for_others} \n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
reset($campaigns);
continue;
}
next($campaigns);
}
if ($high_pri_boost > 1 && !$no_high_pri && $total_weight) {
// We need to raise high-pri priorities to reduce the side-effect
// introduced increasing remaining impressions for low-pri campaigns
// BEGIN REPORTING
$debuglog .= "\n\n\n-----------------------------------------------------\n";
$debuglog .= "HIGH PRIORITY CAMPAIGNS BOOST ENABLED\n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
// Try to find a GCD to avoid to reduce priority values
$banner_priorities[] = $high_pri_boost;
$gcd = phpAds_PriorityGetGCD($banner_priorities);
if ($gcd > 1) {
// A GCD was found, we can lower boost rate and low-pri priorities
$high_pri_boost /= $gcd;
// BEGIN REPORTING
$debuglog .= "GCD PRIORITY SOFTENER ENABLED\n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
}
for (reset($campaigns); $c = key($campaigns); next($campaigns)) {
if ($campaigns[$c]['target'] > 0) {
// BEGIN REPORTING
$debuglog .= "\n\n\nHIGH-PRI CAMPAIGN {$c} \n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
// BEGIN REPORTING
$debuglog .= "- Assigned priority to banner {$b}: " . $banners[$b]['priority'] . " * {$high_pri_boost} = ";
// END REPORTING
$banners[$b]['priority'] *= $high_pri_boost;
// BEGIN REPORTING
$debuglog .= $banners[$b]['priority'] . "\n";
// END REPORTING
}
}
} elseif ($gcd > 1) {
// BEGIN REPORTING
$debuglog .= "\n\n\nLOW-PRI CAMPAIGN {$c} \n";
$debuglog .= "-----------------------------------------------------\n";
// END REPORTING
for (reset($banners); $b = key($banners); next($banners)) {
if ($banners[$b]['parent'] == $c) {
// BEGIN REPORTING
$debuglog .= "- Assigned priority to banner {$b}: " . $banners[$b]['priority'] . " / {$gcd} = ";
// END REPORTING
$banners[$b]['priority'] /= $gcd;
// BEGIN REPORTING
$debuglog .= $banners[$b]['priority'] . "\n";
// END REPORTING
}
}
}
}
}
$priority_sum = 0;
for (reset($banners); $b = current($banners); next($banners)) {
$priority_sum += $b['priority'];
}
if ($priority_sum) {
$softener = 1;
while ($priority_sum / $softener > 0x7ffffffe) {
$softener *= 2;
}
if ($softener > 1) {
$debuglog .= "\n\n\n-----------------------------------------------------\n";
$debuglog .= "OVERFLOW SOFTENER ENABLED\n";
$debuglog .= "-----------------------------------------------------\n\n\n\n";
for (reset($banners); $b = key($banners); next($banners)) {
// BEGIN REPORTING
$debuglog .= "- Assigned priority to banner {$b}: " . $banners[$b]['priority'] . " / {$softener} = ";
// END REPORTING
$roundto1 = $banners[$b]['priority'] > 0;
$banners[$b]['priority'] = round($banners[$b]['priority'] / $softener);
if ($roundto1 && !$banners[$b]['priority']) {
$banners[$b]['priority'] = 1;
// BEGIN REPORTING
$debuglog .= '0, rounding up to ';
// END REPORTING
}
// BEGIN REPORTING
$debuglog .= $banners[$b]['priority'] . "\n";
// END REPORTING
}
}
}
// Store priority information
phpAds_PriorityStore($banners, $campaigns);
return $debuglog;
}