you. Consider this operation:
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$a = $b + c;
In this operation, = and + are operators, and $a, $b, and $c are operands.
Along with +, you also already know − (subtract), * (multiply), and /
(divide), but Table 47.2 provides some more.
Table 47.2 PHP Operators
OperatorWhat It Does
= Assigns the right operand to the left operand.
== Returns true if the left operand is equal to the right operand.
!= Returns true if the left operand is not equal to the right operand.
=== Returns true if the left operand is identical to the right operand.
This is not the same as ==.
!== Returns true if the left operand is not identical to the right
operand. This is not the same as !=.
< Returns true if the left operand is smaller than the right operand.
> Returns true if the left operand is greater than the right operand.
<= Returns true if the left operand is equal to or smaller than the
right operand.
&& Returns true if both the left operand and the right operand are
true.
|| Returns true if either the left operand or the right operand is true.
++ Increments the operand by 1.
— Decrements the operand by 1.
+= Increments the left operand by the right operand.