Php Operators


Operators are used to performing operations on two variable’s values. there are various types of operators used in PHP.

  • Arithmetic Operators
  • Assignment Operators
  • Comparison Operators
  • Logical Operators
  • Increment/Decrement Operators

Arithmetic Operators

Operator Description Example Result
+ Addition x=2

x+2

4
Subtraction x=2

5-x

3
* Multipication x=4

x*5

20
/ Division 15/5

5/2

3

2.5

% Modulus 5%2 1

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

Assignment 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 false

Logical Operators

Operator Description Example
&& and x=6

y=3

(x<10 && y>1) returns true

|| or x=6

y=3

(x==5 || y==5) returns false

! not x=6

y=3

!(x==y) returns true

Increment/Decrement Operators

Operator Description Example Result
++ Increment x=5

x++

x=6
Decrement x=5

x–

x=4