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php strip empty html tags

Posted on 2011-02-14
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Last Modified: 2012-05-11
Hi Experts!

With Curl my script receives HTML code from a website. From that source I would like to strip all empty tags such as <p> </p>

Somehow I can't seem to remove them, I think it has something to do with character settings or something. This is what I've tried:

$html = preg_replace('/<[^\/>]*>([\s]?)*<\/[^>]*>/','' , $html);
$html = preg_replace('%<p></p>%','' , $html);
$html = preg_replace('%<p> </p>%','' , $html);
$html = str_replace('<p> </p>','',$html);

Any suggestions?
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Question by:Dennie
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5 Comments
 
LVL 9

Expert Comment

by:sshah254
ID: 34889418
I think the syntax should be

$html = preg_replace('\<p>\<\p>','' , $html);

to remove <p></p>

Ss
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Author Comment

by:Dennie
ID: 34889438
nope not working
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Accepted Solution

by:
Dennie earned 0 total points
ID: 34889493
Ah solved it with my good old regex buddy!
$html = preg_replace('/<[^\/>]*>([\x00\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F\xA0]?)*<\/[^>]*>/','' , $html);

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LVL 39

Expert Comment

by:Aaron Tomosky
ID: 34889502
I think you have to escape every less than and greater than  and slash.
\<p\>\<\/p\>
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Author Closing Comment

by:Dennie
ID: 34932104
Solved the problem :)
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