php - What does this operator <> mean in php?

Question

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Reference - What does this symbol mean in PHP?

What does the '<>' mean?

if ($class->stuff <> 'specific') 

Just working on a little project and came across a strange symbol.

Answer 1

It means:

different

and is equivalent to !=

You can see a table with all comparison operators here

Answer 2

文字通り、「より小さいまたはより大きい」、「等しくない」を意味します