- Compare 2 strings and display difference (php or javascript). Up creating a wrapper library to help with the 'presentation work' needed to use diff_match_patch.
- Diff, Match and Patch Library (PHP Version) The Diff Match and Patch library offer robust algorithms to perform the operations required for synchronizing plain text.
Active2 years, 2 months ago
However, as in the example of
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I cannot seem to get it working that it shows the results side by side in a HTML file. How is it possible for me to fix this?
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1 Answer
To get the same side by side look like in the blogpost, you need to put
old_record
and new_record
in 2 separate divs and style it(mby add header).then0rThthen0rTh
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Diff And Patch
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Active8 years, 8 months ago
Comparing must work on-the-fly, so this must be done via javascript or with php (will make javascript ajax request).
What I need is probably advanced difference showing, so it will be probably best if there is any kind of good supported library.
This picture shows exactly what I need >
Added #1:I found this http://ejohn.org/projects/javascript-diff-algorithm/ (example http://www.djsipe.com/js-diff/) which is ok, but doesn't support multiline? and it changes the whole word when only one character is different..
Added #2:I tested php script ( https://github.com/paulgb/simplediff/ ) but it has flaws.
Added #3:I found what i was looking for ( http://code.google.com/p/google-diff-match-patch/ )
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2 Answers
This answer to a related question seems promising for javascript. google-diff-match-patch
Match And Patch
It provides an API which will take care of all the complex and well known algorithms. However you'll have to do some work with the presentation.
PHP is more versatile there is a lot of diff tools out there.Look this other related question Calculate text diffs in PHP.
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See Highlight the difference between two strings in PHP
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![Google diff match patch Google diff match patch](/uploads/1/2/6/3/126383525/198787579.png)
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