PHP Operators

Operators are used to operate on values.
PHP Operators
This section lists the different operators used in PHP.
Arithmetic Operators
Operator
Description
Example
Result
+
Addition
x=2x+2
4
-
Subtraction
x=25-x
3
*
Multiplication
x=4x*5
20
/
Division
15/55/2
32.5
%
Modulus (division remainder)
5%210%810%2
120
++
Increment
x=5x++
x=6
--
Decrement
x=5x--
x=4
Assignment Operators
Operator
Example
Is The Same As
=
x=y
x=y
+=
x+=y
x=x+y
-=
x-=y
x=x-y
*=
x*=y
x=x*y
/=
x/=y
x=x/y
.=
x.=y
x=x.y
%=
x%=y
x=x%y
Comparison Operators
Operator
Description
Example
==
is equal to
5==8 returns false
!=
is not equal
5!=8 returns true
>
is greater than
5>8 returns false
<
is less than
5<8 returns true
>=
is greater than or equal to
5>=8 returns false
<=
is less than or equal to
5<=8 returns true
Logical Operators
Operator
Description
Example
&&
and
x=6y=3
(x <> 1) returns true

or
x=6y=3
(x==5 y==5) returns false
!
not
x=6y=3
!(x==y) returns true