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PHP Operators

PHP Operators are used to perform operations on variables and values. Operators are the symbols that tells the PHP processor to perform certain action. PHP divides the operators in the following categories:

S.No	Operator Category	Operator Symbols	Operator Name
	Arithmetic Operators	+ - * / % **	Addition Subtraction Multiplication Division Modulas Exponentiation
	Assignment operators	= += -= *= /=	Assignment Operator Addition Assignment Subtraction Assignment Multiplication Assignment Divide Assignment
	Relational/Comparison operators	> < >= <= !=, <> == ===	Greater than Less than Greater than equals to Less than equals to Not equals to Equal, Equals to Strictly equal
	Logical operators	&& , and \|\| , or ! , not xor	And Or Not Exclusive Or
	Increment/Decrement operators	$a++ ++$a $a-- --$a	Post Increment Pre Increment Post Decrement Pre Decrement
	String operators	. .=	Concatenation Concatenation assignment
	Conditional Operator	? :	Ternary Operator

Precedence of PHP Operators

Category	Operator	Associativity
Unary	! ++ --	Right to left
Multiplicative	* / %	Left to right
Additive	+ -	Left to right
Relational	< <= > >=	Left to right
Equality	== !=	Left to right
Logical AND	&&	Left to right
Logical OR	\|\|	Left to right
Conditional	? :	Right to left
Assignment	= , += , -= , *= , /= , %=	Right to left

Exercise Questions: Arithmetic Operators

Arithmetic Exercise — Check it out!

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