How to convert imperial units of length into metric?

Question

Here I am faced with an issue that I believe(or at least hope) was solved 1 million times already. What I got as the input is a string that represents a length of an object

Answer 1

The Zend Framework has a measurement component for just that purpose. I suggest you check it out - here.

$unit = new Zend_Measure_Length($length,Zend_Measure_Length::YARD);
$unit -> convertTo(Zend_Measure_Length::METER);