title: php: delete word from sentence
body: <p>i have the sentence </p>
  
  <hr>
  
  <p><code>something about something</code> <strong><em>WORD</em></strong> <code>still something...</code></p>
  
  <hr>
  
  <p>what is the most efficient metod to delete the word "<strong><em>WORD</em></strong>" from sentence in php?
  thanks</p>