Php pi() function

Pi is often usefull in con/sin/tan functions..

There are also other Pi related constants.

These are most of them:



M_PI  = 3.14159265358979323846 // pi



// The following were added in PHP 4.0.0

M_PI_2 = 1.57079632679489661923 // pi/2 

M_PI_4 = 0.78539816339744830962 // pi/4 

M_1_PI = 0.31830988618379067154 // 1/pi 

M_2_PI = 0.63661977236758134308 // 2/pi 

M_SQRTPI = 1.77245385090551602729 // sqrt(pi) (Only in PHP 4.0.2+)

M_2_SQRTPI = 1.12837916709551257390 // 2/sqrt(pi)

Source: php.net

Php pi() function

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

Source: php.net

Php pi

pi() 
M_PI

Similar codes

21 votes206 views1 answer
Php get
PHP
0 vote199 views1 answer
Envoyer des donnees js a php
PHP
0 vote179 views1 answer
How to get ID and other string in url
PHP
0 vote212 views4 answers
How to use sweetalert in laravel controller
PHP Laravel
3 votes186 views3 answers
Php keep only numbers in string
PHP
0 vote186 views1 answer
Set cookie on button click JavaScript
PHP
5 votes259 views2 answers
Laravel naming conventions
PHP Laravel
0 vote296 views1 answer
Get node id in twig drupal
PHP Drupal
0 vote239 views1 answer
Laravel allow null records relationship
PHP Laravel
39 votes162 views4 answers
Php artisan make:controller --resource command
PHP