Difference between revisions of "Server-side form validation"
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After submitting a form, you should validate your data. In Joomla this can be done via the JForm validate method (normally called in the controller via the model JModelForm). | After submitting a form, you should validate your data. In Joomla this can be done via the JForm validate method (normally called in the controller via the model JModelForm). | ||
Revision as of 18:36, 5 June 2014
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After submitting a form, you should validate your data. In Joomla this can be done via the JForm validate method (normally called in the controller via the model JModelForm).
Unlike client-side validation, the validation uses html attributes to do its validation. There is the attribute required ("true" or "required") which makes a field required and the attribute validate with a joomla or custom rule value.
E.g. field in a joomla form xml
<field name="email" type="text" class="inputbox" description="Fill in your E-mail" label="E-mail" required="true" validate="email" size="30" />
Validation rules[edit]
You can find the specific implementation of these rules in \libraries\joomla\form\form.php - validation begins in the function validate(), moves to validateField(), which then calls the respective validation functions of \libraries\joomla\form\rules\*.php