delete the empty lines and include html

data looks like this: I do not have it in a database

data

<h3>more data</h3>
<p>data</p>

words

data

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want this as output (including html)

data
<h3>more data</h3>
<p>data</p>
words
data

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this code works but does not echo the html properly

<?php
$lines = file("sourcefile.txt");
foreach($lines as $line)
{
  if(trim($line) != "")
  {
    echo $line;
  }
}
?>
                                            

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note: I do not want to combine lines

so every line would have a linebreak <br/>

maybe like this

  if(trim($line) != "")
  {
    echo '<br>'.$line;
  }