这个问题已经在这里有了答案: > What is the difference between these (bCondition == NULL) and (NULL==bCondition)? 6个
最近,我遇到了这样的代码:
if (0 === $something) { }
if ($something === 0) { }
解决方法:
实际上,无论是性能方面还是功能方面都没有区别.我可以说这是个人选择的编码样式,通常称为Yoda Style
In programming jargon, Yoda conditions (also called Yoda notation) is a programming style where the two parts of an expression are reversed in a conditional statement.