operators:php operators

php operatorsthis section lists the different operators used in php.
arithmetic operators
operatordescriptionexampleresult

+	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
operatorexampleis 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
operatordescriptionexample

==	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
>=	is greater than or equal to	5>=8 returns false
	is less than or equal to	5

logical operators
operatordescriptionexample

&&	and	x=6 y=3 (x 1) returns true
	or	x=6 y=3 (x==5 y==5) returns false
!	not	x=6 y=3 !(x==y) returns true

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