PEAR Справочное руководство
Пред. След.

HTML_QuickForm::addFormRule()

HTML_QuickForm::addFormRule() -- Adds a global validation rule

Synopsis

require_once 'HTML/QuickForm.php';

void HTML_QuickForm::addFormRule (mixed $rule)

Описание

This should be used when you want to add a rule involving several fields or if you want to use some completely custom validation for your form. The rule function/method should return TRUE in case of successful validation and array('element name' => 'error') when there were errors.

Параметр

mixed $rule

A valid callback

Throws

Таблица 43-1. Возможные значения PEAR_Error

Error code Error message Reason Solution
QUICKFORM_INVALID_RULE Callback function does not exist in HTML_QuickForm::addFormRule() Tried to pass a name of a non-existant function as a callback Check spelling

Заметка

since 3.1

Эта функция не должна вызываться статически.

Пример

Пример 43-1. Using addFormRule()

<?php
require_once ('HTML/QuickForm.php');

$form = new HTML_QuickForm();

// the function checks whether the passwords are the same
function cmpPass($fields)
{
    if (strlen($fields['passwd1']) && strlen($fields['passwd2']) &&
        $fields['passwd1'] != $fields['passwd2']) {
        return array('passwd1' => 'Passwords are not the same');
    }
    return true;
}

$form->addElement('password', 'passwd1', 'Enter password');
$form->addElement('password', 'passwd2', 'Confirm password');

$form->addFormRule('cmpPass');
?>
Пред. Начало След.
HTML_QuickForm::addGroupRule() Уровень выше HTML_QuickForm::isElementRequired()
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