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Asked: 2026-05-29T18:43:54+00:00

Let’s say my URL is this: http://example.com/forum/index.php?topic=53.msg251#msg251 This part here, I can’t figure out

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Let’s say my URL is this:

http://example.com/forum/index.php?topic=53.msg251#msg251

This part here, I can’t figure out how to remove:

.msg251#msg251

I did try though, I’m not sure if I am even close to doing it right.

 $linkraw = $items->link;
 $linkpattern = '/^.msg247#msg247/';
 $link = preg_match($linkpattern, $linkraw);

What is the correct way of doing this? I am trying to learn.

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1 Answer

  1. Editorial Team

    String functions strrpos and substr are enough for this task. And its surely faster.

     $link = substr($linkraw, 0, strrpos($linkraw, "."))

    Explanation:

    1. strrpos finds the position of . from the end of the string.
    2. substr extracts a sub string till the position of . found in previous step.

    When this will work?

    Works on http://example.com/forum/index.php?topic=53.msg251#msg251
    Works on http://example.com/forum/index.php?topic=53.new#new
    But not on http://example.com/forum/index.php?topic=53.msg251#msg251.new#new

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