Operators in PHP

Operators in PHP are symbols that tell the PHP processor to perform certain actions.

PHP Arithmetic Operators

The arithmetic operators are used to perform common arithmetical operations,

PHP Arithmetic Operator

The assignment operators are used to assign values to variables.

PHP Assignment Operator

The comparison operators are used to compare two values in a Boolean fashion.

Operator	Name	Example	Result
==	Equal	$x == $y	True if $x is equal to $y
===	Identical	$x === $y	True if $x is equal to $y, and they are of the same type
!=	Not equal	$x != $y	True if $x is not equal to $y
<>	Not equal	$x <> $y	True if $x is not equal to $y
!==	Not identical	$x !== $y	True if $x is not equal to $y, or they are not of the same type
<	Less than	$x < $y	True if $x is less than $y
>	Greater than	$x > $y	True if $x is greater than $y
>=	Greater than or equal to	$x >= $y	True if $x is greater than or equal to $y
<=	Less than or equal to	$x <= $y	True if $x is less than or equal to $y

PHP Comparison Operator

The increment/decrement operators are used to increment/decrement a variable’s value.

Operator	Name	Effect
++$x	Pre-increment	Increments $x by one, then returns $x
$x++	Post-increment	Returns $x, then increments $x by one
–$x	Pre-decrement	Decrements $x by one, then returns $x
$x–	Post-decrement	Returns $x, then decrements $x by one

PHP Increment and Decrement Operator

The logical operators are typically used to combine conditional statements.

Operator	Name	Example	Result
And	And	$x and $y	True if both $x and $y are true
Or	Or	$x or $y	True if either $x or $y is true
Xor	Xor	$x xor $y	True if either $x or $y is true, but not both
&&	And	$x && $y	True if both $x and $y are true
\|\|	Or	$x \|\| $y	True if either $x or $y is true
!	Not	!$x	True if $x is not true

PHP Logical Operator

There are two operators which are specifically designed for strings.

PHP String Operator

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