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

1 vote125 views5 answers
Laravel jobs tutorial
PHP
0 vote150 views1 answer
Curl error (code 3) url malformed laravel
PHP Laravel
0 vote161 views1 answer
Laravel faker boolean
PHP Laravel
0 vote153 views1 answer
Php to list files
PHP
0 vote138 views1 answer
Current time input field in laravel form
PHP
1 vote227 views1 answer
Php artisan cache:clear Failed to clear cache. Make sure you have the appropiate permissions
PHP
1 vote229 views2 answers
Laravel 8 selecet the 2nd to the last record
PHP Laravel
0 vote164 views1 answer
Get word between two characters php
PHP
2 votes161 views2 answers
How to trim white space array in php
PHP
0 vote130 views2 answers
Close connection pdo
PHP