title: php explode for paragraph
body: <p>i have big word.</p>
  
  <pre><code>Paragraph 1
  
  Paragraph 2
  
  Paragraph 3
  
  Paragraph 4
  
  Paragraph 5
  </code></pre>
  
  <p>I must be explode for paragraph.
  example : $paragraph[0] must be "Paragraph 1"</p>