PHP exp() fucntion

This is a mathematical function used to calculate exponent.

Syntax

exp(value);

value is the required parameter.

Example

<?php
    $var = 10;
    $var1 = 2;
    $var2 = 1.5;
    $var3 = 10.5';
    echo exp($var).'<br/>';
    echo exp($var1).'<br/>';
    echo exp($var2).'<br/>';
    echo exp($var3).'<br/>';
?>

Output :

22026.465794807
7.3890560989307
4.4816890703381
36315.502674247

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