This is from the lesson on Category5 TV Episode 235.

Example 1:
  $r=0;
  
  $myarray[0]['title'] = 'Title 1';
  $myarray[1]['title'] = 'Title 2';
  $myarray[2]['title'] = 'Title 3';
  $myarray[3]['title'] = 'Title 4';
  $myarray[4]['title'] = 'Title 5';
  $myarray[5]['title'] = 'Title 6';
  $myarray[6]['title'] = 'Title 7';
  $myarray[7]['title'] = 'Title 8';
  $myarray[8]['title'] = 'Title 9';
  $myarray[9]['title'] = 'Title 10';
  
  while ($r < 10) {
    echo '<b>' . $myarray[$r]['title'] . '</b><br />';
    $r++;
  }
Title 1
Title 2
Title 3
Title 4
Title 5
Title 6
Title 7
Title 8
Title 9
Title 10


Example 2 (Bold the word "Title" only, as per ajamison5579's request):
  $r=0;
  
  $myarray[0]['title'] = 'Title 1';
  $myarray[1]['title'] = 'Title 2';
  $myarray[2]['title'] = 'Title 3';
  $myarray[3]['title'] = 'Title 4';
  $myarray[4]['title'] = 'Title 5';
  $myarray[5]['title'] = 'Title 6';
  $myarray[6]['title'] = 'Title 7';
  $myarray[7]['title'] = 'Title 8';
  $myarray[8]['title'] = 'Title 9';
  $myarray[9]['title'] = 'Title 10';
  
  while ($r < 10) {
    $tmp = explode(' ', $myarray[$r]['title']);
    echo '<b>' . $tmp[0] . '</b> ' . $tmp[1] . '<br />';
    $r++;
    unset($tmp);
  }
Title 1
Title 2
Title 3
Title 4
Title 5
Title 6
Title 7
Title 8
Title 9
Title 10