pi function syntax tag tutorial 2013

Php pi () function

Write your php code

(PHP 3, PHP 4 , PHP 5)

pi -- Get value of pi

Syntax

float pi ( void )

Returns an approximation of pi. The returned float has a precision based on the precision directive in php.ini, which defaults to 14. Also, you can use the M_PI constant which yields identical results to pi().

Example 1. pi() example


<?php
echo pi(); // 3.1415926535898
echo M_PI; // 3.1415926535898
?>

Php pi Function syntax tag

pi php code on this is provided for your study purpose, it will guide you to know how create and design a website using php. use it to practice and train your self online

Php pi syntax tutorial

php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.