Binary Operator
A binary operator is an operator that operates on a two operands. It performs an operation based on the value of both operand. PHP supports several binary operators, including the following:
- Assignation operator
= - Equality operator
== - Difference operator
!-and<> - Identity operator
=== - Non-identity operator
!== - Math operators, such as addition
+, substraction-, multiplication*, division/, power**, modulo% - Comparison operators, such as greater than
>, greater or equal than>=, lesser than<, lesser or equal than<= - Concatenation, with the dot operator
. - Spaceship operator,
<=> - All the short operators, that combines a binary operation with an assignation: for example, add and assign
+=
And many others.
<?php
$a = 1;
$a +=2;
var_dump($a === 3); // true
?>