如何在PHP的前20个单词中截断字符串? [英] How can I truncate a string to the first 20 words in PHP?

问题描述

如何用PHP截断20个单词后的字符串?

How can I truncate a string after 20 words in PHP?

推荐答案

function limit_text($text, $limit) {
      if (str_word_count($text, 0) > $limit) {
          $words = str_word_count($text, 2);
          $pos = array_keys($words);
          $text = substr($text, 0, $pos[$limit]) . '...';
      }
      return $text;
    }

echo limit_text('Hello here is a long sentence blah blah blah blah blah hahahaha haha haaaaaa', 5);

输出:

Hello here is a long ...

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