convert multiple optional $_GET parameters to clean URLs

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I have an html form that has multiple elements specially including text fields, select dropdowns,etc.

What I'm looking for, is that whenever the form is submitted, I want the form get parameters in the URL address bar to change to a more user & search engine friendly URL.

As an example, after submission, I want:

www.example.com/index.php?par1=val1&par2=val2&par3=val3&par4=&par5=val5

to change to:

www.example.com/val1/val2/val3/val5/

And as you can see in the above example,if a parameter value is NULL or equal to a specific value(e.g par4 here),I want the value not to appear in the result friendly url.

How can I achieve this?I think I should use apache mod_rewrite but I'm a beginner in mod_Rewrite and appreciate your helping me with this.

Thanks in advance!

Posted 31-Jan-15 7:44am

Member 11033015

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Sergey Alexandrovich Kryukov 31-Jan-15 14:59pm

What have you tried so far?
—SA

Member 11033015 1-Feb-15 12:22pm

Thanks for your links Sergey.Before asking this question,I found some useful tutorials about mod_rewrite and regular expression including www.cheatography.com/davechild/cheat-sheets/regular-expressions/ & code.tutsplus.com/tutorials/an-in-depth-guide-to-mod_rewrite-for-apache--net-6708/ but couldn't solve my issue mentioned in my question,specially the case(NULL values) I mentioned above.

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Sergey Alexandrovich Kryukov · Answer 1 · 2015-01-31T08:58:00

If you are a beginner with Apache URL rewrite (mode_rewrite), you just need to learn it. There is no other way. Please see this guide:
http://httpd.apache.org/docs/2.0/misc/rewriteguide.html[^].

See also, just in case, for general understanding: http://en.wikipedia.org/wiki/Rewrite_engine[^].

—SA