<?php
$node = new Craur(array('animals' => array(array('@name' => 'dog', '@age' => 6, '@height' => '50cm'), array('@name' => 'cat', '@age' => 2, '@height' => '30cm'), array('@name' => 'mouse', '@age' => 2, '@height' => '10cm'))));
function myFilterCallback($value)
{
return str_replace('cm', '', $value);
}
/*
* Test to rewrite the value with a filter
*/
$height = $node->getWithFilter('animals.@height', "myFilterCallback");
assert($height == "50");
/*
* Test default value
*/
$width = $node->getWithFilter('animals.@width', "myFilterCallback", '100');
assert($width == "100");
/*
* Test with invalid callback
*/
try {
$node->getWithFilter('animals.@height', new stdClass());
assert(false);
} catch (Exception $exception) {
/*
* This was no callback, so it must fail! Nice!
*/
}
/*
* Test with invalid path and no default value
*/
$node = new Craur(array('animals' => array(array('@name' => 'dog', '@age' => 6, '@height' => '50cm'), array('@name' => 'cat', '@age' => 2, '@height' => '30cm'), array('@name' => 'mouse', '@age' => 2, '@height' => '10cm'))));
function youngerThenThreeYears(Craur $value)
{
if ($value->get('@age') < 3) {
return $value;
}
throw new Exception('Is not younger then three years!');
}
function isAnAlien(Craur $value)
{
throw new Exception('This is not an alien!');
}
/*
* Get all animals, which are less then 3 years old!
*/
$animals = $node->getWithFilter('animals[]', "youngerThenThreeYears");
assert(count($animals) == 2);
/*
* Get all animals, which are less then 3 years old!
*/
$first_animal_with_less_then_3_years = $node->getWithFilter('animals', "youngerThenThreeYears");
assert($first_animal_with_less_then_3_years->get('@name') == 'cat');
/*
* Get all aliens (hopefully 0)
*/
$animals = $node->getWithFilter('animals', "isAnAlien", array());
/*
* Fail to retrieve just one alien
*/
try {
$animals = $node->getWithFilter('animals', "isAnAlien");
