function synthesizeSummary($wikitext, $maxSteps, $fullURL)
{
$stepsSec = Wikitext::getStepsSection($wikitext, true);
if (!$stepsSec) {
return '';
}
$stepsText = Wikitext::stripHeader($stepsSec[0]);
if (Wikitext::countAltMethods($stepsText) > 0) {
$altMethods = Wikitext::splitAltMethods($stepsText);
foreach ($altMethods as $method) {
if (Wikitext::isAltMethod($method) && Wikitext::countSteps($method) > 0) {
$stepsText = $method;
break;
}
}
}
$countSteps = Wikitext::countSteps($stepsText);
$summaryOut = '';
$steps = Wikitext::splitSteps($stepsText);
$count = 0;
foreach ($steps as $step) {
if (Wikitext::isStepSimple($step, false)) {
$summary = Wikitext::summarizeStep($step);
$summary = Wikitext::removeRefsFromFlattened($summary);
if ($summary) {
$count++;
$break = $count > 1 ? "<br>" : '';
if ($count > $maxSteps) {
$remaining = $countSteps - $maxSteps;
$text = '';
if ($remaining >= 2) {
$text = "{$remaining} more steps at wikiHow";
} elseif ($remaining == 1) {
$text = "Another step at wikiHow";
}
if ($text) {
$href = htmlspecialchars($fullURL);
$link = "<a href='{$href}'>{$text}</a>";
$summaryOut .= "{$break}{$link}";
}
break;
} else {
$summaryOut .= "{$break}{$count}. {$summary}";
}
}
}
}
return $summaryOut;
}
