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PHP Operators ?

PHP Operators are used to perform various operation on the operands. Php operators are special symbols used to perform various operations.

Arithmetic Operators
Comparision Operators
Assignment Operators
Logical Operators
Conditional Operators
Relational Operators

Arithmetic Operator

Operator	Description	Example	Result
+	Addition	x=2 ; x+2	4
-	Subtraction	x=2 ; 5-x/td>	3
*	Multiplication	x=4 ; x*5	20
/	Division	15/5 ; 5/2	3 ; 2.5
%	Modulus	5%2 ; 10%8 ; 10%2	1 ; 2 ; 0
++	Increment	x=5 ; x++	x=6
--	Decrement	x=5 ; x--	x=4

Comparision Operator

Operator	Description	Example
==	is equal to.	5==8 returns false.
!=	is not equal to.	5!=8 returns true.
<>	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 return false.
<=	is less than or equal to.	5==8 returns true.

Assignment Operator

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

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