PHP Basic Introductory Tutorial _php Tutorial

Operator is the basic content that will be used in any development language, let me introduce some of the basics of PHP operators and how to use them.

Operator is used to operate on a value.

PHP operators

This section lists the various operators used in PHP:

Arithmetic operators

operator	Description	Example	Results
+	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	Description	Example
=	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 < ten && y > 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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