PHP Tutorial - PHP pi() Function
Definition
The pi() function returns the value of PI.
The named constant M_PI is identical to pi().
Syntax
PHP pi() Function has the following syntax.
pi();Parameter
None
Return
| Item | Description |
|---|---|
| Return Value | 3.1415926535898 |
| Return Type | Float |
Example
Return the value of PI:
<?php
echo(pi());
?>
The code above generates the following result.
