Simple implementation method of finding pi in PHP Original, fontcolor_PHP tutorial

A simple implementation method for finding pi in PHP. Original, fontcolor

The example in this article describes a simple implementation method for finding pi in PHP. Share it with everyone for your reference, the details are as follows:

The previous article "Calculating Pi in C Language" gives a simple calculation method of pi. Here, referring to the previous code, the calculation method of calculating pi in PHP is given. The specific code is as follows:

<&#63;php
$t=1;
$pi=0;
$n=1.0;
$s=1;
while(abs($t)>1e-6)
{
 $pi=$pi+$t;
 $n=$n+2;
 $s=-$s;
 $t=$s/$n;
}
$pi=$pi*4;
printf("pi=%10.6f",$pi);
&#63;>

The result of the operation is:

pi= 3.141591

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I hope this article will be helpful to everyone in PHP programming.