HTML Forms, ONSUBMIT, PHP Functions

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I have to verify and filter data received via std input through an
HTML form that is embedded within a php scripts.  I am unable to apply
the filter to the std input data.  I have been trying to push the std
input to the filter (in the form of a function) via the ONSUBMIT
feature of HTML forms. Should this work?  Anyone know of a good,
inexpensive php script debugger for MAC OS 10.4 Intel?



Re: HTML Forms, ONSUBMIT, PHP Functions

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php executes on the server, not on the client. either use javascript to  
'validate' on the client-side...regardless, use php to validate the data  
once the form submits the data to the server.  

Re: HTML Forms, ONSUBMIT, PHP Functions

Form data validation:

 1) Client-side validation via CS Javascript
    - validate data ONSUBMIT
    - loop until you think it's right

 2) Server-sdie validation via PHP (or whatever your language is)
    - validate data via $_GET or $_POST
    - if any of it is not right, send it back to the browser
    - if it's all OK, do whatever your going to do

I use URLParams (Firefox extension) to verify what my HTML form sends.

Does this help?:


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