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emmim44
Inspiring
March 19, 2009
Question

cfset vs cfparam

Hi guys,
Can you tell me in simple short english the difference between cfset and cfparam?
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    8 replies

    Semaphorians
    Participating Frequently
    March 21, 2009
    Hey this should not be tough:
    CFSET - this tag will overwrite a variable to the value specified
    CFPARAM - if the variable specified already exists then leave it alone otherwise it creates and set it to the value of the DEFAULT parameter.
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    -__cfSearching__-
    Inspiring
    March 21, 2009
    Semaphorians wrote:
    > Hey this should not be tough

    If the explanations provided are "not good enough", they should just read the documentation.
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    Newsgroup_User
    Inspiring
    March 19, 2009
    > Not good enough....

    You've been reading "How to Win Friends and Influence People", I see.

    You could - of course - just go read the docs. They're fairly explicit on
    what each does:

    <cfset>
    http://livedocs.adobe.com/coldfusion/8/Tags_r-s_17.html


    <cfparam>
    http://livedocs.adobe.com/coldfusion/8/Tags_p-q_01.html

    CFSearching (you people sure do have weird names) gave you a good start,
    and explaining how 90% of people probably utilise the differences between
    <cfset> and <cfparam>.

    --
    Adam
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    -__cfSearching__-
    Inspiring
    March 19, 2009
    Adam Cameron wrote:
    > you people sure do have weird names

    I have never read your bio. But your dry wit makes one suspect you are British. (No that is not an insult. I just enjoy a dry sense of humor ;-)
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    emmim44Author
    Inspiring
    March 19, 2009
    Not good enough....
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    Dan_Bracuk
    Inspiring
    March 22, 2009
    quote:
    Originally posted by: emmim44
    Not good enough....

    In what way?
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    -__cfSearching__-
    Inspiring
    March 19, 2009
    There are several differences.

    Loosely put, the primary difference is that cfparam sets the value of a variable _only_ if that variable does not exist. Whereas cfset always sets the value of a variable. ie If the variable exists, it overwrites the existing value. If it does not exist, it creates one.

    But again, there are several differences. That is only one.
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