PHP pi() Function
PHP Math Reference
Example
Return the value of PI:
<?php
echo(pi());
?>
Run example »
Definition and Usage
The pi() function returns the value of PI.
Tip: The named constant M_PI is identical to pi().
Syntax
Technical Details
Return Value: |
3.1415926535898 |
Return Type: |
Float |
PHP Version: |
4+ |
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