Operators

Question 0

==

Answer 0

Equality
$a == $b
Checks if the left and right values are equal

Question 1

=

Answer 1

Assignment operator.
$a = 1
Assigns the value on the right to the variable of the left.

Question 2

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Answer 2

Identical
$a === $b
Checks if the left and right values are equal AND identical (same variable type)