### Operators

## Operators

Operators are utilized to perform operations on variables and values.

### PHP separates the operators in the accompanying gatherings:

- Arithmetic operators
- Assignment operators
- Comparison operators
- Increment/Decrement operators
- Logical operators
- String operators
- Array operators

### PHP Arithmetic Operators

The PHP Arithmetic operators are utilized with numeric qualities to perform basic arithmetical operations, for example, expansion, subtraction, augmentation and so forth.

### Operator Name Example Result

**+ Addition $x + $y Sum of $x and $y**

**– Subtraction $x – $y Difference of $x and $y**

*** Multiplication $x * $y Product of $x and $y**

**/ Division $x/$y Quotient of $x and $y**

**% Modulus $x % $y Remainder of $x isolated by $y**

**** Exponentiation $x ** $y Result of raising $x to the $y’th power (Introduced in PHP 5.6)**

### PHP Assignment Operators

The PHP Assignment operators are utilized with numeric qualities to compose a worth to a variable. The essential task administrator in PHP is “=”. It implies that the left operand gets set to the estimation of the task expression on the privilege.

### Assignment Same as… Description

**x = y x = y The left operand gets set to the estimation of the expression on the right**

**x += y x = x + y Addition**

**x – = y x = x – y Subtraction**

**x *= y x = x * y Multiplication**

**x/= y x = x/y Division**

**x %= y x = x % y Modulus**

### PHP Comparison Operators

**The PHP Comparison operators are utilized to think about two qualities (number or string):**

### Operator Name Example Result

== Equal $x == $y Returns genuine if $x is equivalent to $y

=== Identical $x === $y Returns genuine if $x is equivalent to $y, and they are of the same type

!= Not equal $x != $y Returns genuine if $x is not equivalent to $y

<> Not equal $x <> $y Returns genuine if $x is not equivalent to $y

!== Not identical $x !== $y Returns genuine if $x is not equivalent to $y, or they are not of the same type

> Greater than $x > $y Returns genuine if $x is more prominent than $y

< Less than $x < $y Returns genuine if $x is not exactly $y

>= Greater than or meet to $x >= $y Returns genuine if $x is more noteworthy than or equivalent to $y

<= Less than or rise to to $x <= $y Returns genuine if $x is not exactly or equivalent to $y

### PHP Increment/Decrement Operators

The PHP Increment operators are utilized to augment a variable’s quality.

The PHP decrement operators are utilized to decrement a variable’s quality.

### Operator Name Description

++$x Pre-increment Increments $x by one, then returns $x

$x++ Post-increment Returns $x, then augmentations $x by one

– $x Pre-decrement Decrements $x by one, then returns $x

$x- – Post-decrement Returns $x, then decrements $x by one

### PHP Logical Operators

**The PHP logical operators are utilized to join restrictive proclamations.**

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 genuine, yet 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 String Operators

**PHP has two operators that are uniquely intended for strings.**

Operator Name Example Result

. Concatenation $txt1 . $txt2 Concatenation of $txt1 and $txt2

.= Concatenation assignment $txt1 .= $txt2 Appends $txt2 to $txt1

### PHP Array Operators

The PHP array operators are utilized to think about exhibits.

**Operator Name Example Result**

+ Union $x + $y Union of $x and $y

== Equality $x == $y Returns genuine if $x and $y have the same key/esteem pairs

=== Identity $x === $y Returns genuine if $x and $y have the same key/esteem sets in the same request and of the same types

!= Inequality $x != $y Returns genuine if $x is not equivalent to $y

<> Inequality $x <> $y Returns genuine if $x is not equivalent to $y

!== Non-identity $x !== $y Return

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