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🐛 Fix article reading time calculation
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This commit is contained in:
Marcel Kapfer 2025-06-03 19:33:49 +02:00
parent fe6737a797
commit 8136b14c95
Signed by: mmk2410
GPG key ID: CADE6F0C09F21B09
1 changed files with 20 additions and 3 deletions
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23
site/models/article.php
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@ -12,6 +12,8 @@ class ArticlePage extends Page
{
private const READING_TIME_FORMAT = '%d words, ~%d min reading time';
private const WORDS_PER_MINUTE = 150;
/**
* @param array|string|null $options
*/
@ -21,13 +23,28 @@ class ArticlePage extends Page
return '/' . $date .'/' . $this->slug();
}
/**
* Simple function for estimating the reading time of the article.
*
* The algorithm counts all words in p-Elements and divides them by
* words-per-minute amount defined in WORDS_PER_MINUTES. It outputs the
* text defined in READING_TIME_FORMAT containing the estimated word count
* and estimated reading time.
*
* @return string Text with estimated reading time.
*/
public function readingTime(): string
{
// After requiring PHP 8.4 or higher, replace DOMDocument with
// DOM/HTMLDocument and remove the LIBXML_NOERROR option. This option
// is only needed because DOMDocument only supports HTML4 and
// therefore throws warnings for HTML5 tags.
$doc = new DOMDocument();
$doc->loadHTML(
'<html><head><meta charset="UTF-8"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body>'
. $this->text()->kirbytext()
. '</body></html>'
. $this->text()->kirbytext()
. '</body></html>',
LIBXML_NOERROR
);
$pElems = $doc->getElementsByTagName('p');
@ -37,7 +54,7 @@ class ArticlePage extends Page
}
$wordCount = count(explode(' ', $text));
$readingTime = (int)ceil($wordCount / 150);
$readingTime = (int)ceil($wordCount / self::WORDS_PER_MINUTE);
return sprintf(self::READING_TIME_FORMAT, $wordCount, $readingTime);
}