// Create a text element $element = new Zend_Form_Element_Text('username'); // Add a required validator $element->setRequired(true) ->addValidator(new Zend_Validate_NotEmpty());
// Create a text element $element = new Zend_Form_Element_Text('password'); // Add a string length validator $element->addValidator(new Zend_Validate_StringLength(array('min' => 8)));This example creates a text element with the name "password" and adds a string length validator to it. The `Zend_Validate_StringLength` validator ensures that the input string has a minimum length of 8 characters. Both examples use the Zend\Validator package library, which is a part of the Zend Framework PHP library.