mrunkel · October 11, 2020 19:15 · mrunkel · Oct 11, 2020
diff --git a/pi.php b/pi.php
 <?php

 $add = true;
 $pi = 3;

 for ($x = 2; $x <10000; $x += 2) {
   $new = 4/($x * ($x + 1) * ($x + 2));
   $pi = $add ? 
      $pi + $new :
      $pi - $new;
   $add = !$add;
 }

 echo $pi . "<br>";

 echo 3.14159265359;
	<?php

	$add = true;
	$pi = 3;

	for ($x = 2; $x <10000; $x += 2) {
	$new = 4/($x * ($x + 1) * ($x + 2));
	$pi = $add ?
	$pi + $new :
	$pi - $new;
	$add = !$add;
	}

	echo $pi . "<br>";

	echo 3.14159265359;