# PHP Operators- Tutorialpath

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## What is Operator?

Simple answer can be given using expression 4 + 5 is equal to 9. Here 4 and 5 are called operands and + is called operator.

PHP Operator is a symbol i.e used to perform operations on operands.

PHP language supports following type of operators. for example:

In the above example, + is the binary + operator, 10 and 20 are operands and \$num is variable.

1. Arithmetic Operators
2. Comparison Operators
3. Logical (or Relational) Operators
4. Assignment Operators

### Arithmetic Operators

The arithmetic operators are used to perform common arithmetical operations, such as addition, subtraction, multiplication etc. Here’s a complete list of PHP’s arithmetic operators:

Operator Description 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 divided by \$y

Example:

output:

### Comparison Operators

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

Examples

Operator                              Description Example
== Checks if the value of two operands are equal or not, if yes then condition becomes true. (A == B) is not true.
!= Checks if the value of two operands are equal or not, if values are not equal then condition becomes true. (A != B) is true.
> Checks if the value of left operand is greater than the value of right operand, if yes then condition becomes true. (A > B) is not true.
< Checks if the value of left operand is less than the value of right operand, if yes then condition becomes true. (A < B) is true.
>= Checks if the value of left operand is greater than or equal to the value of right operand, if yes then condition becomes true. (A >= B) is not true.
<= Checks if the value of left operand is less than or equal to the value of right operand, if yes then condition becomes true. (A <= B) is true.

Example:

output:

### PHP Assignment Operators

The assignment operators are used to assign values to variables.

Operator Description Example Is The Same As
= Assign \$x = \$y \$x = \$y
+= Add and assign \$x += \$y \$x = \$x + \$y
-= Subtract and assign \$x -= \$y \$x = \$x – \$y
*= Multiply and assign \$x *= \$y \$x = \$x * \$y
/= Divide and assign quotient \$x /= \$y \$x = \$x / \$y
%= Divide and assign modulus \$x %= \$y \$x = \$x % \$y

Example:

Output:

### PHP Logical Operators

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

Example:

Output: