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33 lines
885 B
33 lines
885 B
<?php
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class BlogPost extends \Timber\Post
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{
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/**
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* Estimates time required to read a post.
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*
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* The words per minute are based on the English language, which e.g. is much
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* faster than German or French.
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*
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* @link https://www.irisreading.com/average-reading-speed-in-various-languages/
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*
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* @return string
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*/
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public function reading_time()
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{
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$symb_per_minute = 2280;
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$symb = strlen(wp_strip_all_tags($this->content()));
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$minutes = round($symb / $symb_per_minute);
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/* translators: %s: Time duration in minute or minutes. */
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return sprintf(_n('%s мин.', '%s мин.', $minutes), (int) $minutes);
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}
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}
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add_filter('timber/post/classmap', function ($classmap) {
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$custom_classmap = [
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'post' => BlogPost::class,
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];
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return array_merge($classmap, $custom_classmap);
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}); |