Example: PHP program to find the power of any number

C
C++
C#
Java
Python
PHP

<?php
// PHP program to find the power of any number

$b = 5;
$e = 7;
$r = 1;
$i = 1;

// b = base
// e = exponent
// r = result

// finding power of base value by equiping exponent value
while($i <= $e) {
    $r *= $b;
    $i++;
}

// Output
echo "Result:: " . $b . "^" . $e . " = " . $r;

?>