In PHP what is the differences between $a != $b and $a !== $b?

[hp-singh-53e2639c (Harjas Preet Singh)]

In PHP what is the differences between $a != $b and $a !== $b?

[anik-acharjee]

“$a != $b” - Checks if the value of $a is not equal to $b whereas “$a !== $b” - the value as well as data type needs to “match”.