PHP Operators

To make it simple for you we take a expression which will make easier to understand, expression 5 * 5 = 25, here 5 and 25 are the operand and *, = are the php operators.
In PHP there are following type are operators:

Arithmetic operators:
Suppose variable A is 10 and variable B is 5 then:

Operator	Name	Example	Result
+	Addition	$A + $B	Sum of $A and $B is 15
-	Subtraction	$A – $B	Difference of $A and $B is 5
*	Multiplication	$A * $B	Product of $A and $B is 50
/	Division	$A / $B	Quotient of $A and $B is 0.5
%	Modulus	$A % $B	Remainder of $A divided by $B

Logical Operators:
Suppose we taking above example, variable A is 10 and variable B is 5 then:

Operator	Name	Example	Result
and	And	$A and $B	True if both $A and $B are true
or	Or	$A or $B	True if either $A or $B is true
&&	And	$A && $B	True if both $A or $B is true
||	Or	$A || $B	True if either $A or $B is true
!	Not	!$A	True if $A is not true

Comparison Operators:
Suppose variable A is 10 and variable B is 5 then:

Operator	Name	Example	Result
==	Equal	$A == $B	True if $A is equal to $B
!=	Not equal	$A != $B	True if $A is not equal to $B
>	Greater than	$A > $B	True if $A is greater than $B
<	Less than	$A < $B	True if $A is less than $B
>=	Greater than or equal to	$A >= $B	True if $A is greater than or equal to $B
<=	Less than or equal to	$A <= $B	True if $A is less than or equal to $B

Assignment Operator:
This operator is used to write the value to a variable.

Operator	Name	Example
=	Equal	A=B
+=	Addition	C= A+B
-=	Subtraction	C= A-B
*=	Multiplication	C= A*B
/=	Division	C= A/B
%=	Modulus	C= A%B

Conditional Operator:

There is one other kind of php operators tutorial called conditional operator.It is also called ternary operator.It first evaluates an expression for a true or false value and then execute one statement between the two given statements depending upon the result of the evaluation, condition operator woks as follows:

• The first operand is implicitly converted to bool. It is evaluated and all side effects are completed before continuing.
• If the first operand evaluates to true, the second operand is evaluated.
• If the first operand evaluates to false, the third operand is evaluated.

The result of the conditional operator is that result  whichever operand is evaluated.
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