What's the difference between !== and != in PHP? [duplicate]

Question

Possible Duplicate:
php == vs === operator

What's the difference between !== and != in PHP?

Answer 1

!== is strict not equal and which does not do type conversion

!= is not equal which does type conversion before checking

Answer 2

=== AND !== checks if the values compared have the same type (eg: int, string, etc.) and have the same values

While...

== AND != only compares the values