# PHP Operators

PHP provides a wide range of operators for use in your scripts, including arithmetic, comparison, and logical operators. In this article, we will explore the different types of PHP operators and their uses.

## Arithmetic Operators

Arithmetic operators are used to perform mathematical operations in PHP. The most common arithmetic operators include addition (+), subtraction (-), multiplication (*), and division (/).

For example:

``````\$x = 10;
\$y = 5;

\$sum = \$x + \$y;
\$difference = \$x - \$y;
\$product = \$x * \$y;
\$quotient = \$x / \$y;``````

In the above example, we first define two variables `\$x` and `\$y`, and then use the arithmetic operators to perform addition, subtraction, multiplication, and division.

## Comparison Operators

Comparison operators are used to compare values in PHP. The most common comparison operators include equal to (==), not equal to (!=), greater than (>), less than (<), greater than or equal to (>=), and less than or equal to (<=).

For example:

``````\$x = 10;
\$y = 5;

\$is_equal = \$x == \$y;
\$is_not_equal = \$x != \$y;
\$is_greater = \$x > \$y;
\$is_less = \$x < \$y;
\$is_greater_or_equal = \$x >= \$y;
\$is_less_or_equal = \$x <= \$y;``````

In the above example, we use the comparison operators to compare the values of `\$x` and `\$y`.

## Logical Operators

Logical operators are used to combine conditions in PHP. The most common logical operators include and (&&), or (||), and not (!).

For example:

``````\$x = 10;
\$y = 5;

\$is_and = \$x == 10 && \$y == 5;
\$is_or = \$x == 10 || \$y == 5;
\$is_not = !(\$x == 10);``````

In the above example, we use the logical operators to combine conditions and evaluate them.

## Conclusion

In conclusion, PHP provides a wide range of operators for use in your scripts, including arithmetic, comparison, and logical operators. These operators allow you to perform mathematical operations, compare values, and combine conditions in your scripts. Understanding the different types of PHP operators and their uses is crucial for writing efficient and effective PHP scripts.

## Practice Your Knowledge

Which of the following are valid types of operators in PHP?

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