Posts Tagged ‘Arithmetic Operators’

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=2
x+2
4

-
Subtraction
x=2
5-x
3

*
Multiplication
x=4
x*5
20

/
Division
15/5
5/2
3
2.5

%
Modulus (division remainder)
5%2
10%8
10%2
1
2
0

++
Increment
x=5
x++
x=6


Decrement
x=5
x–
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=6
y=3(x [...]

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