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ls smart blog excerpt

/ Published in: PHP
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  1. $content = $post->content;
  2.  
  3.     if(preg_match_all('#<p>(.*)</p>#simU', $content, $m1, PREG_SET_ORDER) && count($m1) >= 2) { // more than 2 paragraphs
  4.       $trim = $site_settings->blog->preview->trim_length;
  5.       $l_1 = strlen($m1[0][1]);
  6.       $l_2 = strlen($m1[1][1]);
  7.  
  8.       if($l_1 < ($trim * 0.75) && $l_2 < $trim) {
  9.         $content = '<p>' . $m1[0][1] . '</p>' . '<p>' . $m1[1][1] . '</p>';//substr($content, 0, $l_1 + $l_2 + 7 + 7 + 2);
  10.       }
  11.       else if($l_1 < $trim) {
  12.         $content = '<p>' . $m1[0][1] . '</p>'; //substr($content, 0, $l_1 + 7);
  13.       }
  14.       else {
  15.         $content = '<p>' . substr($m1[0][1], 0, $trim) . ' ...</p>';
  16.       }
  17.     }

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