How to find the power of a number in php

How to find the power of a number: 1. Use the built-in function pow() to calculate the Nth power of a number. The syntax is "pow (value, power)"; 2. Use "**" Operator to calculate the Nth power of a number, the syntax is "numeric ** power".

The operating environment of this tutorial: windows7 system, PHP7.2 version, DELL G3 computer

How to find a php Counting to several powers

For example:

The following two methods are introduced:

1 , Use the built-in function pow() to calculate the Nth power of a number

<?php
$i=2;
$n=8;
echo pow($i,$n);
?>

##2. Use the operator (**) Calculate the Nth power of a number

<?php
$i=2;
$n=8;
echo $i**$n;  //打印结果：256
?>

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