To make your work easier, there are a few additional functions, which will be described below.
To save measurements for later use, Zend_Measure
supports serialization.
Example 18.18. 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 ?>
Example 18.19. Deserializing
<?php require_once 'Zend.php'; Zend::loadClass('Zend_Measure'); Zend::loadClass('Zend_Measure_Length'); // load serialized object $unit = unserialize($serial); echo $unit; ?>
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.
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.
Example 18.20. 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); ?>