Hi there!
I'm looking for a hint on the following problem using the components,
any help appreciated.
One of my templates provides a form with an input field called "password":
<form action="/authenticate" method="post">
<fieldset>
<input name="password" id="password" class="textinput"
type="password" />
<button type="submit">Login</button>
</fieldset>
</form>
Any submit will call the action slot "authenticate" that will validate
the form data according to my form definition:
private static function getFormDefinition() {
$definition = array(
'password' => new ezcInputFormDefinitionElement(
ezcInputFormDefinitionElement::REQUIRED,
'callback',
array('appFormTools', 'checkEmpty')
)
);
return $definition;
}
Here's the callback function for the password:
class appFormTools {
public static function checkEmpty($string) {
$string = filter_var($string, FILTER_SANITIZE_STRING);
if (strlen($string) !== 0) {
return $string;
} else {
return false;
}
}
}
I decided to use a custom callback method to produce an invalid result
in case of an empty string for the password.
I understand that the filter "string" will validate in case of an empty
string as the POST-parameter "password" is still available.
Action "authenticate" now tries to validate the form using my form
definition:
$definition = self::getFormDefinition();
$form = new ezcInputForm(INPUT_POST, $definition);
Assuming that I have submitted the form containing an empty string for
the password, $form->hasValidData('password') still validates. Why? The
callback function returns boolean false, it should be rendered invalid...
Any ideas?
Thanks a lot,
Simon
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