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Re: Validation plug-ins [message #269 is a reply to message #264]

Thu, 07 September 2006 12:05

janalwin
Messages: 17
Registered: May 2006
Location: Groningen

Junior Member

I like option 2 the best. But is it really needed to have more than one validation method in a custom validation class? You could put every custom validation in a seperate class, load this class and call e standard method that all custom validation classes should have. (for example valdidate())

Every validator could extent this class for example:
class custom_validator {

var $errors

function validate($fieldvalue) {

return;
} // end method

function getErrors() {
return $this->errors
} // end method
} // end class

Examples of emplementations

class dutch_postcode_validator extends validator {

function validate($fieldvalue) {
// check
if (eregi..... {
$this->errors[]="The postcode may only contain... "

} //end if

} // end method

} // end class

class dutch_phonenumber_validator extends validator {

function validate($fieldvalue) {
// check
if (eregi..... {
$this->errors[]="A phonenumber can only contain numbers"

} // end if

if(strlen($fieldvalue)!=10) {
$this->errors[]="A phonenumber must contain 10 characters"
} // end if
} // end method

} // end class

An other way to do it would be to define an interface, but it's only possible in PHP5 so that not an option I think.

I'm relatively new to object oriented programming. But this seems the most flexible method to me.

The indents in the code seem to get lost when I'm posting. Sorry

--
Jan Alwin

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[Message index]

		Validation plug-ins By: janalwin on Thu, 07 September 2006 08:57
		Re: Validation plug-ins By: AJM on Thu, 07 September 2006 09:34
		Re: Validation plug-ins By: janalwin on Thu, 07 September 2006 09:56
		Re: Validation plug-ins By: janalwin on Thu, 07 September 2006 10:49
		Re: Validation plug-ins By: AJM on Thu, 07 September 2006 11:28
		Re: Validation plug-ins By: janalwin on Thu, 07 September 2006 12:05
		Re: Validation plug-ins By: AJM on Thu, 07 September 2006 12:18
		Re: Validation plug-ins By: janalwin on Fri, 08 September 2006 04:31
		Re: Validation plug-ins By: AJM on Mon, 11 September 2006 12:36

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