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Show a Read More Link Based on the Number of Words
7 April 2009 at 12:49am
I have the following basic setup: A Staff Page (page type) that display Staff (dataobject). I have the Staff Page displaying the Staff dataobjects the way I'd like. They have all the necessary info and a Bio. I limit the bio to 50 words and have a read more link to show the full bio if someone clicks on it. However I would only like to show the 'Read More' link only if the Bio word count is above 50. I'm assuming I could write a function in the Staff Page controller for that. That would return a boolean for the word count above or below 50, but I'm having trouble writing that. Can anyone point me in the right direction, or know the code I would need?
Thanks in advance!
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Re: Show a Read More Link Based on the Number of Words
20 June 2009 at 2:56am
For the sake of completion here is the code I ended up using for this. I'm not sure it's optimal, but it did the trick:
function WordCount($str){
$words = 0;
$str = eregi_replace(" +", " ", $str);
$array = explode(" ", $str);
for($i=0;$i < count($array);$i++)
{
if (eregi("[0-9A-Za-zÀ-ÖØ-öø-ÿ]", $array[$i]))
$words++;
}
return $words;
}function ReadMore() {
$Bio = $this->Bio;
$BioWords = $this->WordCount($Bio);
if ($BioWords > 50)
return True;
else
return False;
}Of course you would replace the Bio stuff with Content or whatever field you were using. Then in the template you can use:
<% if ReadMore %><a href="$Link" >Continue Reading</a><% end_if %>
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