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<?php function renderPre($input) // Function to escape html brackets within PRE tags. { return preg_replace('/<pre>(.*?)<\/pre>/ise', "'<pre class=\"brush: php\">' . htmlspecialchars('$1') . '</pre>'", $input); } $s = 'hello <pre>I like <em>apples</em> & oranges</pre>'; echo renderPre($s);
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