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Orignal Post Limit Post Excerpt Length In English And Chinese Edition For WordPress Post preview, also called Excerpt in WordPress. There are some ways to limit the length of except. The Most Common Way function custom_excerpt_length( $length ) { return 50; } add_filter( 'excerpt_length', 'custom_excerpt_length', 999 ); The most common code is above. However, it comes with another issue, if you defined a custom excerpt, the length of it wouldn’t be limited. In other words, it will show completely. The Better Way For Multilingual Sites The way to calculate words is different in each language. The typical types are alphabet language and character language. The former is like English, and latter is like Chinese. As a result, you can place this code in your template. Notice that I used Polylang to create my multilingual site, so you have to modify the second line if you use other plug-in, like WPML. // Function from Polylang $cur_lang = get_bloginfo("language") // Excerpt Length Limit if ($cur_lang == 'zh-TW') { $limit = 70; $excerpt = strip_tags(get_the_excerpt()); $excerpt = mb_substr($excerpt, 0, $limit); }elseif ($cur_lang == 'en-US') { $limit = 120; $excerpt = strip_tags(get_the_excerpt()); $excerpt = mb_substr($excerpt, 0, $limit); } echo ''.$excerpt.'...'; And you can test the string length with this code. echo ''.mb_strlen('亞倫害的').''; // Chinese Version echo ''.strlen('E-book Reader Intro').''; // English Version Notice that I add … between the p tags, I used it as my read more text. And if you add this code in your function.php, remove it, or … will display twice on your automatically generated excerpts. Refer here, 〈Customize Read More Text In WordPress Excerpt〉. function custom_excerpt_more($more) { return ''; } add_filter('excerpt_more', 'custom_excerpt_more'); Related Posts The Complete WordPress Customization Tutorial – Just Copy And Paste And Work