PHP - reversed order in if statement

Question

This is a question that is bugging me for a long time and can\'t find any answer... Noticed it\'s used quite a lot by Zend Framework Developers,

What is the differen

Answer 1

These are called yoda conditions.

The idea is that if you put the value first (such as false, null, true or anything short) it becomes easier for a person to scan the statement and quickly understand the intention of the condition.

Also, what mishu said :)