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<?php $lt = '&lt;'; $gt = '&gt;'; $raw_data = '[if lte IE 8]&gt;&lt;link href=&quot;//d3h5jhobc20ump.cloudfront.net/f521cb9cec0171e8d913538552d98b10.css&quot; rel=&quot;stylesheet&quot; type=&quot;text/css&quot;&gt;&lt;![endif]'; echo htmlspecialchars(preg_replace('/^\\s*\\[\\s*(if)(\\s[^\\]]*?)?\\s*\\]'.$gt.'\\s*(.*?)\\s*'.$lt.'!\\[\\s*(endif)\\s*\\]\\s*$/si', '[$1$2]'.$gt."\r\n".'$3'."\r\n".$lt.'![$4]', $raw_data));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
[if lte IE 8]&amp;gt; &amp;lt;link href=&amp;quot;//d3h5jhobc20ump.cloudfront.net/f521cb9cec0171e8d913538552d98b10.css&amp;quot; rel=&amp;quot;stylesheet&amp;quot; type=&amp;quot;text/css&amp;quot;&amp;gt; &amp;lt;![endif]
preferences:
226.84 ms | 406 KiB | 313 Q