16.6. Special functions

To make your work easier, there are a few additional functions, which will be described below.

Serializing and Deserializing

Listing all known types

Listing all known units

16.6.1. Serializing and Deserializing

To save measurements for later use, Zend_Measure supports serialization.

例 16.19. Serializing

<?php
require_once 'Zend.php';
Zend::loadClass('Zend_Measure');

$unit = new Zend_Measure(100,Zend_Measure::LENGTH);

$serial = $unit->serialize();

// save ... or any other action
?>

例 16.20. Deserializing

<?php
require_once 'Zend.php';
Zend::loadClass('Zend_Measure');
Zend::loadClass('Zend_Measure_Length');

// load serialized object

$unit = unserialize($serial);

echo $unit;
?>

16.6.2. Listing all known types

The function getAllTypes returns an array containing all types of measurement.

This could be used to let a user choose the type of measurement (length, weight, area) he wishes to input.

16.6.3. Listing all known units

The function getTypeList returns an array containing all units of measurement for a given type.

This could be used to let a user choose the unit of measurement (meters, kilometers, millimeters,...) for his input.

例 16.21. Listing all units for a given type

<?php
require_once 'Zend.php';
Zend::loadClass('Zend_Measure');
Zend::loadClass('Zend_Measure_Length');

$unit = new Zend_Measure(0,Zend_Measure::LENGTH);

$array = $unit->getTypeList();
print_r($array);
?>