<span class="language-xml"><span class="hljs-tag"><<span class="hljs-name">html</span>></span> <span class="hljs-tag"></<span class="hljs-name">html</span>></span> <span class="hljs-tag"><<span class="hljs-name">body</span>></span> </span><span class="language-php"><span class="hljs-meta"><?php</span> <span class="hljs-comment"># Here echo command is used to print</span> <span class="hljs-keyword">echo</span> <span class="hljs-string">"Hello, world!"</span>; <span class="hljs-meta">?></span></span><span class="language-xml"> <span class="hljs-tag"></<span class="hljs-name">body</span>></span> </span>