->validate() -- check object data, and call objects validation methods.
Описание
Check all the objects variables to see if they are valid, by default this
means is a column an integer or string, if you define methods like
validateEmail(), in your extended class then it
will be called to validate the row called 'email'. This may be useful if
called prior to an update or insert.., to generate error messages.
override this to set up your validation rules.
Возвращаемое значение
array - of validation results or TRUE
Заметка
Эта функция не должна вызываться статически.
the examples below utilize the PEAR validation package
Пример
Пример 35-1. validate usage
<?php
$person = new DataObjects_Person;
$person->get(12);
$person->setFrom($_POST['input']);
$val = $person->validate();
if ($val === TRUE) {
$person->update();
} else {
foreach ($val as $k=>$v) {
if ($v == false) {
echo "There was something wrong with ($k)\n";
} else {
echo "($k) validated OK\n";
}
}
}
?>
|
|
Пример 35-2. validate methods
<?php
/* inside class DataObject_Person */
function validateEmail() {
return Validate::email($this->email, true);
}
function validateHomepage() {
return Validate::url($this->homepage, true);
}
function validateDate() {
return Validate::date($this->date, "%d-%m-%Y", array(01,01,1970), array(01,01,2030));
?>
|
|
