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PHP 7 Quick Scripting Reference, Second Edition by Mikael Olsson

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© Mikael Olsson 2016

Mikael Olsson, PHP 7 Quick Scripting Reference, 10.1007/978-1-4842-1922-5_3

3. Operators

Mikael Olsson

(1)Hammarland, Finland

An operator is a symbol that makes the script perform a specific mathematical or logical manipulation. The operators in PHP can be grouped into five types: arithmetic, assignment, comparison, logical, and bitwise operators.

Arithmetic Operators

The arithmetic operators include the four basic arithmetic operations, as well as the modulus operator (%), which is used to obtain the division remainder.

$x = 4 + 2; // 6 // addition$x = 4 - 2; // 2 // subtraction$x = 4 * 2; // 8 // multiplication$x = 4 / 2; // 2 // division$x = 4 % 2; // 0 // modulus (division remainder)

An exponentiation operator (**) was introduced ...

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